SUBORDER, SERPENTES 

 FAMILY. COLUBRID^. 



18. Carphophiops vermis (KENNICOTT). Mr. Pierson ob- 

 tained two (4351, 4352) of these little snakes at Fort Smith, Arkansas. 

 One (4029) is in the collection from Little Rock, Arkansas. 



19. Tantilla gracilis BAIRD & GIRARD. Three specimens 

 (4353, 43o4j 4359) were secured at Fort Smith, Arkansas. 



20. Virginia Valerias BAIRD & GIRARD. A single specimen 

 (4102) came from Franklin county, Indiana. 



21. Lampropeltisdoliata (LINN BUS). Three (4344-4346) were 

 collected at Fort Smith, Arkansas. 



22. Lampropeltis doliata triangulata (BOIE). Three of this 

 species are in the collection, one (4009) from Greencastle, Indiana, 

 and two (4172, 1803) from Bloomiiigton, Monroe county, Indiana. 



23. Liopeltis vernalis (DE KAY). Four of these snakes come 

 frqm Illinois; three (4182-4184) from Normal, McLean county, and 

 one (4107) from the vicinity of Cliicago. 



24. Opheodrys SBstivus (LINNEUS). Two of these bright 

 little snakes (4340, 4358) are from FortSmith, Arkansas, while another 

 (4019) is from Lawrenceburg, Indiana. 



25. Bascanion constrictor (LINNEUS). The collection con- 

 tains two, one (4333) from Fort Smith, Arkansas, and another (1630) 

 from Nornial, McLean county, Illinois. 



26. Bascanion flagellum (SHAW). A large specimen (4360) 

 was procured by Mr. Pierson at Fort Smith, Arkansas. 



27. Coluber spiloides DUVIERIL & BIBRON. One young 

 specimen (4033) was taken at Bloomington, Illinois. 



28. Coluber obsoletus SAY. A large specimen of this species 

 [4334] comes from Fort Smith, Arkansas. 



29. Heterodon platyrhinus (LATREILLE). Two [4331-4332] 

 are from Fort Smith, Arkansas. 



30. Heterodon nasious (LINNEUS). One [4024] was taken in 

 the vicinity of Springfield, Colorado. 



31. Thamnopis saoknnii (KENNICOTT). Fort Smith, Ark., 

 contributed three [4341-4343]. 



32. ThamnopUs proxima (SAY). This snake has been taken 

 at [1733] Waco, McLennan county, Texas; [4030] Little Rock, Ark., 

 and [4108] vicinity of Chicago, 111. 



33. Natrix leberis (LINNEUS). One individual [1802] from 

 Camden, Carroll county, Indiana. 



34. Natrix rigida (SAY). One [4010] was taken at No'mal, 

 McLean county, Illinois. 



35. Natrix fasciata pleuralis COPE. A specimen of this 

 rare sub-species was collected at Fort Smith, Ark., by Mr. Pierson. 

 This is the fourth specimen taken, according to Prof. E. D. Cope,* 

 who gives two of th» localities of former specimens as ''Mississippi" 

 and Augusta, Ga. 



"Pioa. V. S. Nat. Mas., Vol. XIV., 1891, p. 672. 



