tUitb 



Fig. 63. — A, skeleton of Rana temporana. The left limbs, left shoulder girdle, and 

 membrane bones of the left side of the skull are removed. Cartilaginous parts dotted; 

 names of cartilage bones in thick ; those of membrane bones in italic capitals, a.c.hy, 

 anterior cornu of hyoid; actb, acetabulum ; AST, astragalus; b.hy, basi-hval ; c, calcar; 

 CAL, calcaneum ; EX.oc, exoccipital ; fe, femur ;/&«,/&//, fontanelles ; FR.PA, fronto- 

 parietals; HU, humerus; IL, ilium; MX, maxilla ; £)//^.f/, oliactor\' capsule ; o/./r, otic- 

 process ; p.c./iy, posterior cornu of hyoid ; PMX, premaxilla; PR.OT, prootic ; RA.UL, 

 radio-ulna; SP.ETH, sphenethmoid ; SQ, squamosal; S.SCP, supra-scapula; J?^.r, sus- 

 pensorium ; TI.FI, tibio-fibula; Z;^./;-, transverse process; UST, urostyle; V.l, cervical 

 vertebra ; V. 9, sacral vertebra ; VO, vomer; l-v, digits. B, the fourtTi vertebra seen from 

 in front, a. 21;^, anterior zygapophysis ; «:w, centrum ; Ini, lamina; ti.sp, neural spine; pd, 

 pedicle; ^./r, transverse process. (From Parker and Haswell's Zool6gy, slightly 

 altered from Howes.) 



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