115 
Tig 
ami the several limbs are extended in 
front instead of being reflexed. — V. 
remnant of the yolk-mass; h. develop¬ 
ing heart; remaining letters as in 
fig- 6. 
9. Anterior extremity of same embryo, 
viewed dorsally, and exhibiting the 
2 still separated eyes. 
10. Embryo in one of the last stages, and 
considerably less magnified than those 
mentioned above; lateral view. n. 
renal organ; remaining letters as in 
fig. 8. 
PI. LXX. 
Diastylis Rathkei (Kroyer), var; female. 
PI. LXXI. 
Diastylis Rathkei, var. (continued); female. 
PI. IiXXXI. 
Diastylis Rathkei, var. (continued): adult male. 
