248 



ZOOLOGY 



SECT. 



FIG. 870. Rana temporaria. A, the skeleton from the dorsal aspect; the left half of the 

 shoulder girdle and the left fore and hind limbs are removed, as also are the membrane bones 

 on the left side of the skull. Cartilaginous parts dotted. Names of cartilage bones in thick. 

 those of membrane bones in italic capitals, a. c. liy. anterior cornu ofhyoid ; act<>. acetli- 

 bulum ; AST. astragalus; b. liy. basi-hyal; C. calcar ; CAIi. calcaneum ; EX. OC. ex- 

 occipital ; PE. femur ; fon. fon.' fontanelles ; FR. PA. frpnto-parietal ; HU. humerus ; IL. 

 ilium ; MX. maxilla \ off. cp. olfactory capsule ; ot.pr, otic process ; p. c. fat. posterior cornu 

 of hyoid ; PMX. premaxilla ; PR. OT, pro-otic ; RA.UIi. radio-ulna ; SP.BTH.sphen-eth- 

 moid ; SQ. squamosal ; S.SCP. supra-scapula ; sus. suspensorium ; TI.FI. tibio-nbtila ; 

 tr. pr. transverse process ; TJ.ST. urostyle ; V. 1, cervical vertebra ; V.9, sacral vertebra ; 

 70. voiner ; / V, digits. B, the fourth vertebra, anterior face. . z'//g. anterior zygapophysis ; 

 en. centrum ; Im. lamina ; n. sp. neural spine ; p<l. pedicle ; tr. ,>,-. transverse process. (After 

 Howes, slightly altered.) 



