CHOCODILIANS, LIZARDS, AND SNAKES. 1239 



Fif^. 7. Salvadora huir<(ii ,)iii\; Mexico. 



S. Macroproiodon ciiciillatiis Dumt'-ril and Hihron; Algiers. 



!l. (leayras frontalis C(yi)e; Ync-atiin. 



10. r'icimia oliracca (Iriiy; Mexico. 



11. Chilomeniscua eplripjyicus Cope; Ciilifoiiii,i. 



12. Stylo,sotn(( exteniiatwm Brown ; Florida. 



13. Hjipaif/lenK ochrorhynchun ("ope; Texas. 



Platk 17. 

 Henii])enes of Ooliihriii.i'. 



I'ig. 1. Drymohius marf/arilifn-ns Sclilegel; Mexico. 



2. Cacocalyx jiercartnatiis Co]}e; Contiillica. 



3. Cyclophis a'sfivKs Liniin'us; North America. 



4. riiyllorlryvchiiN broirnii Stejneger; Arizona. 



5. Leptophis ahaduUa LinnaMis; Brazil. 



6. Leptophis pra'siana Cope ; Central America. 



7. Thrasops Jlavigidari8 Hallowell; West Africa. 



8. Dcndrophis pictaLiiwwivwi^; India. 



9. Bucephalus capensis Thnnberg; South Afric.-i. 



10. Busy peltis pal marum Leach; West Africa. 



11. Ceiiiophorn cocciiiea Blunienbach; Florida. 



Plate 18. 

 Hemipenes of Colubrin;!'. 



Fig. 1. Trimetopon jdiolepis CoY>e; Costn Rica. 



2. Conopsis vasus Giinther; Mexico. 



3. Osceola elapsoidea Holbrook; Florida. 



4. Osceola doUatu triaiigiilum Boie; New Yori<. 



5. Ophiholus rhomhoindculatus Holbrook; Kistrict of Columbia. 

 (5. Ophibohis cdHiyasler Say; Kansas. 



7. Ophiholus (jetnlus LinnaMis; North America. 



8. Coronella (jirnudicii Dandin; Italy. 



!•. /'co/erof/o/f <<;«se??rt/((s Hallowell ; Japan. 



10. Oiaiiodon rufozonatus Cantor; China. 



11. Symphimus hncostomuH Co\ni; Mexico. 



12. lihiuochilus Iccoiitci Baird and (iirard; Texas. 



I'l.ATE 19. 

 Hciiiii)eiie8 of Colulirina' and Natriciiia". 



Fig. 1. Herpctodryas inelas Cope; Costa Kica. 



2. Drymobins rhombifer Giinther; Ecuador. 



3. Coluber emoryi Baird and Girard; Texas. 



4. JAopelHs reruali'* Harlan; United States. 



5. Acunihocalyx vetitrimaculatus Gray; western Asia. 

 (5. Tylanthera florideuta Geoffrey; western Asia. 



7. (Jontin episcopa Kenuicott; Texas. 



8. Ophiholus rali/oruio' De Blainville; Lower California. 



9. .Idelphicus quddriviryalus J:n\; Central .Vmcrica. 



10. Ahlahes haliodirus Boie; Malaysia. 



11. h'.utiiuia uiullimiiculatii Co])e ; Ciiilinaliua. 



