SPETH 



Fig. 8. — A, skeleton of Fro? from the dorsal aspect ; R, anterior face of the fourth 

 vertebra. In A the left half of the shoulder-girdle and the left fore- and hind- 

 limbs are removed, as also are the membrane-bones of the left side of the skull. 

 Cartilaginous parts are distinguished by dotting. The names of cartilage bones 

 are in thick capital letters, those of membrane Ijones in italic capitals, other 

 references in small italics. 

 a, c. hy. anterior horn of hyoid ; nctb. acetabulum; AST astragalus; a.zyg'. anterior 

 articular processes, or zygapophysis ; b. hy. basi-hyal ; C. calcar ; CAL. cal 

 caneum ; en. centrum ; EX. OC. exoccipltal ; FE. femur ; Jon, foJi.' fontan 

 elles ; FR. PA. fron to-parietal ; HU, humerus; IL. ilium; //;/. lamina o- 

 neural arch ; MX. maxilla ; n. sp. neural spine ; olf. cp. olfactory capsule 

 ot.pr. otic process; p.c.hv. posterior horn of hyoid; pd. pedicle of neura 

 arch ; PMX. premaxilla ; PR. OT. pro-otic ; QU.JU, quadrato-jugal ; RA. UL, 

 radio-ulna; SP. ETH. sphenethmoid ; SQ. squamosal; S. SCP. supra-scapula 

 sus. suspensorium ; TI. FI. tibio-fibula ; tr.fir. transverse process; UST, uro 

 style ; V. 1, cervical vertebra ; V. 9, sacral vertebra ; VO. vomer ; / — P digits. 

 (From Parker and Haswell's Zoology, after Howes, slightly altered.) 



