| 1870. ] MR. TEGETMEIER ON SIREDON MEXICANUS. 
Ao " (litt! Lt) 
i] ii i 


Ca 
TZ | 
| hy iy 
| tl) yi | 













































Proe. Zoou. Soc.—1870, Ne. 


C \ = 
nytt 1 ATi 
| NV vil HHH! 
HW 
f ) al | 
1 \ 
| 
i i i 























































XI. 
L61 


































Fig. 1. Siredon meaicanus, metamorposed. 
Siredon mexicanus, in normal state. 
? 
ae 
Fie. ¢ 
