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512 BULLETIN 34, UNITED STATES NATIONAL MUSEUM. 



Fig. 17. Ayalychiiis morcletii, fumt of to[t of sknW. 



18. rhjiVomediim hicolor, front of top of Hkiill; a, sternum. 



19. Hi/la varoHiii'iiaix, skull from aliove : a, sternum. 



20. Scijtopis veinihiHiin. front of top of skuil ; I, ethmoid bone : a. another H\Hr\. 



men, showiufi inenu.ilities of surface and pcsterior outline of ethmoid Ikiiic. 



PLATE LXXIII. 



HyJid(i\ Hemiphractidw, Cysti(jtiathida, and Pelobatidn. 



OHteocephalufi planict'pn. t*\n\U from above. 



Hypniboax nrpitann, roof of mouth. 



Trachyreplialiis tjeoyraphiciis, skull from above; from Steindachuer. 



Triprioii jutamtiis, head, side view. 



Triprioii petaHutiis, head, from above. 



Triprion petniatiis, interior of mouth. 



Ciucloscopiis majimiis, rijjht manns; u and r, ulna and radiu.s; u and r. uliiiir 

 anil radial oarpal.s : c. central, l--2-:?-4-.') (liwtal earpals, 4 and .">. ( mi- 

 llnent : !-.'> metacarpals: I supporting a spinous poUex. 



Acrin i/ryllun. right manus, four times natural size. 



Bylidir, <listal phalanges; No. 7, TrdchyviphnUiH iiKiymoratiit anteiior :i:i(l 

 posterior: >*, Uyhi auolinnisiH, do. ■. '.), Scylojiis re)iiilosii8,{\o. ; li». UyjinUimis 

 (ilhomtirginatiiK, do.: 11, Ciiicloicopus majcimua, do., posterior attached \<\ 

 penultimate phalange ; l"i, Ifyln auren, do ; 13, PhyUomcdima hicolor, do. : 

 14, same, the external ungues of both pedes. 



Uemiphrnctiix Kcntatus, head from above, from Honlenger. 



Scaphiopua liolhrookii. right manus: lettering as in Fig. '28. 



Mirophycs fasciolot.iH, right uutnus, lacking the phalanges: letters as in 

 Fig. 2r*. 



Leplodactyliis petitodai'tyliin, left manus, the male slu)wing process of second 

 metacarpal, which is wanting in the female ( 9 >; lettering as in Fig. .'-. 



21. 

 22. 

 24. 



2.-.. 

 26. 

 27. 

 2fJ. 



2lt. 

 30. 



31. 

 32. 

 33. 



34. 



PLATE LXXIV. 



Embracing Hemiaido', lirerivipitida.Eiiiiystomidn, I'hryniitcidn, and Dnidroi. ■lidn . 



Fig. 1. JIvmhiiH fitittatiim, skull, from above. 



1(1. llemiHux giittaiitm, skull, from left side, exhibiting thesu])rascapulo-pr()i)tii 

 articulation, and the small freely-iiu>ving suspensoriuni. 



2. IlemisiiH ijitttntiim, sternum ; from Houlenger. 



.{. HrerivvpH gibhosiin; a. anterior psirt of to]i of skull from above : h, end of muz- 

 zle from front, <lisplaving lateral piemaxillaries between the ]>reniaxilla- 

 ries, the maxillaries, and the nares; v. verteliral column, less the liist and 

 the sacrum, from btdow ; d, last lumbar verti-bra, anterior exti-';nity from 

 left si<le; c, last lumbar vertebra, anterior extremity, from front. 



4. I'hryiiomaiitiH hifuiiciiitiix, front of toj) of skull. 



ti. I'liriiiiomttnth liiftiii( i(|^(m, Kym|diysis mamlibuli, from above. 



(i. riiryiiotiuiiitia hilusriotiis. fi'om front. 



7. Mivrohyla uihoihin. tiijiof front, and anterior end of frontoparietal. showiiii; 

 dotted outline of ethmoid. 



H. L'liUula Imltciita. top of front, from above. 



It. EntiyKiomn micmps, to)i of front, from above. 



10. t'liciipiis .s)/.s/ /)»(/. tup iif front, from aliove, with jtrofile of jin-frontal bono. 



11. f)i}ilopelm<i iinialioii, tii]i df front, one-halt the frontoparietal removed to 



show the ethmoid. 



12. IHphipilma oniiitiim, syinjdiysis niaiidibuli. 

 in. r.nijyxlomidnv (name mislaid K 



14. nypopachiisi rariolo-iis, tup ti\' skull: n. srernnm. 



15. i^ttrcDvyilojiK iiicras'^ntus. top of >.kull. a. ■.terniini. 





^1 



