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Figure 1: FIG. 1. Streak variations. Alcaligenes faecalis streak pattern from Levine (6). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 2: FIG. 2. Streak variations. Alcaligenes faecalis on tryptic soy agar using a streak pattern from Levine (6). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 3: FIG. 3. Streak variations. Alcaligenes faecalis on tryptic soy agar using a streak pattern from Levine (6). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 4: FIG. 4. Streak variations. Lactococcus lactis on tryptic soy agar using a streak pattern from Levine (6). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 5: FIG. 5. Streak variations. Lactococcus lactis on tryptic soy agar using a streak pattern from Levine (6). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 6: FIG. 6. Streak variations. Lactococcus lactis two sector streak (5). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 7: FIG. 7. Streak variations. Lactococcus lactis two sector streak (5). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 8: FIG. 8. Streak variations. Lactococcus lactis on phenylethyl alcohol agar using a streak pattern from Finegold et al. (4). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 9: FIG. 9. Streak variations. Lactococcus lactis on phenylethyl alcohol agar, using a streak pattern from Finegold et al. (4). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 10: FIG. 10. Streak variations. Lactococcus lactis on phenylethyl alcohol agar using a streak pattern from Finegold et al. (4). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 11: FIG. 11. Streak variations. Klebsiella pneumoniae on MacConkey agar. Radiant streak pattern from Atlas et al. (1). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 12: FIG. 12. Streak variations. Klebsiella pneumoniae on MacConkey agar. Radiant streak pattern from Atlas et al. (1). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 13: FIG. 13. Streak variations. Serratia marcescens, strain db11, on milk agar note clearing surrounding colonies indicating hydrolysis of casein protein. Radiant streak pattern from Atlas et al. (1). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 14: FIG. 14. Streak variations. Serratia marcescens, strain db11, on milk agar note clearing surrounding colonies indicating hydrolysis of casein protein. Radiant streak pattern from Atlas et al. (1). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 15: FIG. 15. Streak variations. Serratia marcescens, strain Nima (a pigmented strain), on Tween 20 agar (modified from Lovell and Bibel (7)). Hazy regions in the agar below colonies represent crystalization of Tween 20. Streak as described in Bradshaw (2). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 16: FIG. 16. Streak variations. Serratia marcescens, strain Nima (a pigmented strain), on Tween 20 agar (modified from Lovell and Bibel (7)). Hazy regions in agar below colonies represent crystalization of Tween 20. Streak as described in Bradshaw (2). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 17: FIG. 17. Streak variations. Staphylococcus saprophyticus on phenylethyl alcohol agar. Urine streak pattern from Fountain (A. Fountain, Augusta Medical Center, personal communication). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 18: FIG. 18. Streak variations. Staphylococcus aureus on Tween 20 agar (modified from Lovell and Bibel (7)). Hazy regions in agar below colonies represent crystalization of Tween 20. Urine streak pattern from Fountain (A. Fountain, Augusta Medical Center, personal communication). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 19: FIG. 19. Streak variations. Serratia marcescens, strain db11 (nonpigmented), on Tween 20 agar (modified from Lovell and Bibel (7)). Hazy regions in agar below colonies represent crystalization of Tween 20. Continuous streak as described by Claus (3). (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 20: FIG. 20. Streak variations. Urine streak pattern on blood agar. (D. Sue Katz, Rogers State University, Claremore, OK)

Figure 21: FIG. 21. Streak variations. Urine streak pattern on blood agar. (D. Sue Katz, Rogers State University, Claremore, OK)