acifi fiu<j 



t inl rnin 

 ftct inl rntit 



FIG. 421. Muscles of the frog, ventral view. add.brev, adductor 

 brevis; add.long, adductor longus; add.mag, adductor magnus; del, deltoid; 

 ext.cr, extensor cruris; exl.trs, extensor tarsi; FE, femur; gn.hy, geniohyoid; 

 gslr, gastrocnemius; ky.gl, hyoglossus; ins. ten, inscriptio tendinea; I. alb, linea 

 alba; my.hy, mylohyoid; obl.int, obliquus internus; obl.cxt, obliquus ex- 

 ternus; o.st, ommosternum; p.c.hy, posterior cornu of hyoid; pet, pectoralis; 

 pcln, pectineus; per, peronaeus; rct.abd, rectus abdominis; rect.int.maj, rectus 

 interims major; rect.int.min, rectus internus minor; sar, sartorius; sb.ml, sub- 

 mentalis; sent ten, semi-tendinosus; tib.ant, tibialis anticus; lib. post, tibialis 

 posticus; TI.PI, tibiofibula; vast.int, vastus internus; x.st, xiphisternum. 

 (From Parker and Haswell.) 



498 



