Cli(JCODILIANt>, LIZARDS, AND .SNAKES. 1235 



EXPLANATION OF PLATES. 



It Avas the intenti'Jii of Professor Copt; to have iucluded a iiiiich larj^er number of 

 plates with this j)aper, but his death having occurred before tlie text was put iu 

 type, aud as uo meuiorauda were avaihible conceruiug his intentions in the matter, 

 it lias been im])098il>le to supply the deficiency. The jdates herewith arc those of 

 Mhich copies were iuehided witli the text. 



Platk 1. 



ITyoid Bones of Sauria Khiptoglossa and Acrodonta. 



Fig. 1. Sphenodon jjutictatum Gray ; from 8])ecimen ju-eseuted by Sir James Hector. 

 '2. 67(amrt?eow sp. ; fromCuvier. 



3. (iecko yerticiUatus'L,a,v\xeixt\; from Cuvier. 



4. AristeUiger prwsignis Hallowell; dissected and drawn by Dr. K. E. Gait. 



5. Phyllodactylus fuherculatu.s Wiegmann; dissected aud drawn by Dr. E. E. 



Gait. 

 G. Thecadactylus rapicaudus Houtt. 



7. Enblepharis elegans Gray; Dr. Gait. 



8. Enblepharis variegatus Baird. 



9. Caloles cristatellus Kuhl. 



10. Phryiiovephalus myxtaceus Pallas. 



11. Uromasfi.r hardtvickii Gray; from the Zoological Garden, Philadel])hia. 



12. Uolhrookiu maculaia Girard; from 8i)eciuien from Otto Larch. San Angelo, 



Texas. 

 Bh, basihyal; CBI, first ceratobranchial ; CBII, second ceratobrauchial; Ch, cera- 

 tohyal; EBJ, epibrauchial; Gh, glossohyal ; Hh, hypohyal. 



Platk 2. 



Hyoid Bones of Sauria Iguauia and Diploglossa. 



Fig. 1?. Phrynosoma corotiatum Blainville; Dr. E. E, Gait. 

 It. Sceloporus undulatus Daudin. 

 1."). Uta stan.sburhina Baird and Girard. 



16. Sauromalus (iter Dumeril. 



17. Crotaphytus wisHzenii Baird and Girard. 



18. AnoUs caroUnensis Dumeril and Bibron. 

 1!1. Ctenosaura teres Harlan (not adult). 



20. Iguana inberculata Laurenti; from Cuvier. 



21. Anguis fragilis Linnipus; from northern Italy. 



22. Eracnna guianensis Daudin; from specimen from Zoolosical Garden. Phila- 



delpliia. 

 CIII, first ceratolirauchial ; CBII, second ceratol»rauchial; Ch, ceratohyal; Hh, 

 hypohyal. 



Plate 3. 



Hyoid Bones of Sauria Diploglossa, Thecaglossa, and Leptoglossa. 



Fig. 23. (icrrhonoius multicar'uiutus Blainville; Dr. E. ¥j. (ialt. 

 24. Ophisaurus veiitralis Daudin; Dr. (ialt. 

 2.'). Helodcrma suxpectiini Cope ; Dr. Gait. 



