126 IISI OP PLATES. 



Plate IV. 



Fig. 1. IchthyopJiis monochrom, Blkr., p. 91, larva. 



1 a. , profile of head. 



1 6. . open mouth, x 2 nat. size. 



1 c. , lower view of end of body and tail. 



2. glutinosus, L., p. 89, upper view of head. 



2 a. , profile of head. 



2 h. , tentacle, front view, much enlarged. 



2 e. , tentacle, lateral view, muCh enlarged. 



2 d. , section of the belly. 



2 e. , lower view of end of body, 



Plate V. 



Fig. 1. Urxotyphlus africanus, Blgr., p. 92. 



1 a. , upper view of head, x 2 nat. size. 



1 b. , profile of head, x 2 nat. size. 



1 c. , tentacle, lateral view, much enlarged. 



1 d. , tentacle, front view, much enlarged. 



1 e. , lower view of end of body, x 2 nat. size. 



2. oxyurus, D. & B., p. 92, upper view of head. 



2 a. , profile of bead. 



3. malabaricus, Bedd., p. 92, upper view of head. 



3 a. , profile of head. 



Plate VI, 



Fig. 1. Ccecilia isthmica. Cope, p. 94, profile of head and 

 anterior part of body. 



1 a. , upper view of head and anterior part of 



body. 



1 6. , lower view of posterior part of body. 



2. pachynema, Gthr., p. 95, profile of head and 



anterior part of body. 



2 a. , tentacle, front view, much enlarged. 



2 6. , upper view of head and anterior part of 



body. 

 2 c. , lower view of posterior part of body. 



