INTEGUMENT. 



21 



III. Integument. 



The integument of the Bcaudata differs from that 

 of other Batrachians in the slight attachment to the 



Fig. 8. 



Bana temporaria, showing the dermal attachments and the dis- 

 position of the lymph-sacs, upper and lower views. The position 

 of the lymph-hearts is indicated by asterisks. 



Abdominal sac. 

 Brachial „ 

 Oriiral „ 



Dorsal „ 



Femoral ,, 



g. Gular sac. 



if. Interlb moral ,, 

 I. Lateral „ 



2}. Pectoral ,, 



sb. Subbrachial s 

 sbp. Subplantar 

 sf. Supva-femoral 

 S20. Supra-plantar 



muscles, thus rendering the skinning of a frog a most 

 easy operation. But the body is not enclosed in a 

 loose sac, as is often stated in popular descriptions; 

 there are definite lines of attachment (Fig. 8) by 

 means of connective tissue, which form the demarca- 



