784 DESCRIPTION OF APHANTOPHRYNE, 



(1). 'I'he obliquus muscles, internus and externus, show nothing 

 extraordinary. 



(3). The pecloralis sfernalis is well-developed. The pars epi- 

 coracoidalis is normal; the pars sternalis is divisible into two 

 portions, an anterior and a posterior. The portio posterior does 

 not meet its fellow, being separated in the median line by the 

 attachment of the portio internus of the pectoralis abdominis. 

 Its fibres originate wholly from the sternum. 



(4). A coraco-radialis is present. 



(5). A pecloralis cutaneus is absent, but the septum dividing 

 the pectoral and abdominal lymph-spaces is well-marked, though 

 not invaded by fibres. 



(6). A coraco-humeralis (coraco-brachialis lonyusV) is present. 



(7). A coraco-brachialis brevis internus is perhaps represented, 

 as the fibres of the last-mentioned muscle! 6) show an indication 

 of a division into an anterior bundle. 



(8). The deltoid is strong, and has no pars episternalis. 



(9). The rectus abdominis is well-developed, and resembles 

 that of Megalophrys nasuta and Xenophrys monticola in having 

 only three, poststernal inscrip'iones tendinece. There is no linea 

 alba present. 



LiMNODYNASTES DORSALIS var. DUMEKILII Ptrs. 



(1). The pectondis abdominis is divided into two portions, the 

 portio internus which is fan-shaped, and the portio externus 

 which is long and strap-like. The first arises on the two, 

 anterior, poststernal segments of tlie rectus; and the latter from 

 the posterior extremity of the ventral surface. The two pec- 

 torales are separated in the median line, and the rectus is plainly 

 visible. 



(2). The obliquus externus and internus are normal. 



(3). The pectoralis sternalis is strongly developed. It is 

 plainly divisible into a pars epicoracoidalis, and a para sternalis; 

 the latter is in two divisions, an anterior medially situated, and 

 a posterior, whose fibres arise from both the sternal plate and 

 the ligament binding the overlapping epicoracoids. 



(4). A coraco-radialis is well developed. 



(5), The pectoralis ciUaneus is absent. 



