Pirate V. (From Bronn, after Gadow.) 
Fic. 1. Hatrerta Punctata. (Ventral View.) 
‘ Fre. 2. ALLIGATOR MISSISSIPPIENSIS. LEFT POSTERIOR EXTREMITY; 
Foot 1n PRonaTION, HENCE SEEN FROM THE DorSAL SIDE. 
Ig, t, f, LIGAMENTUM TIBIO-FIBULARE. 
Fic. 3. A. MIssISSIPPIENSIS. MUSCLES OF THE DorRSAL SURFACE 
OF THE LoweR LEG AND Foot. 
amb, ambiens; cap, ext, gastr, external head of gastrocnemius; cap, int, gastr, in- 
ternal head of gastrocnemius; cd, fm, caudali-femoralis; cd, il, fem, caudi-ilio- 
femoralis; ex, 1, 1b, extensor ilio-tibialis; ext, 1 (long), dig, extensor longus 
digitorum; fl, 1b, ext, flexor tibialis externus; fi, tb, int, flexor tibialis internus; 
fm, 1b, femoro-tibialis; il, cd, ilio-caudalis; il, cost, ilio-costalis; il, fib, ilio- 
fibularis; il, fm (11, f), ilio-femoralis; il, s, cd, ilio-sacro-caudalis; is, cd, ischio- 
caudalis; is, f, ischio-femoralis; ob, ext, obliquus externus; pb, cd, pubi-caudalis; 
pb, is, 1b, pubi-ischio-tibialis; pb, 1b, pubi-tibialis; peron, ant, peroneus an- 
terior; peron, post, peroneus posterior; p, is, f, ext. pubi-ischio-femoralis 
externus; », is, f, inl, pubi-ischio-femoralis internus; », is, f, post, pubi- 
ischio-femoralis posterior; gudr, 1b, quadratus lumborum; rect, rectus abdo- 
minis; 1b, ant, tibialis anticus; tib, post, tibialis posticus; trans, transversus 
abdominis; tr, per, transversus perinei; m, post, tl, posterior border of ilium; 
ob, foramen in pubis for the obturator nerve; 0, il, ilium; 0, is, ischium; 
v, pb, pubis; o, cl, cloacal bone; pr, 1, pb, lateral process of pubis; pr, tr, trans- 
verse process; sp, ant, il, anterior spine of ilium; Sy, », symphysis pubis; 
Sy, is, symphysis of ischium; 1b, is, tubercle of ischium. 
