MUSEUM OF COMPARATIVE ZOOLOGY. 365 



Fig. 10. Fig. 11. 



,* l "[l 



r'" 



'ii* 



111. HI 



,11,111 



;;; 



i,iii 



"Mi/" 



1/ "' 



•••I 



ii"»i 



f>"'" 





/*ii H i> 



Y 



Figs. 10-18. Allorchestes armatus: 10. 2d thoracic leg of female, with epimeron, gill and incuba- 

 tory plate. — 11. 3d thoracic leg. —12. Section of body of female (4th thoracic segment) showing 

 the incubatory pouch with two eggs. — 13. 5th thoracic leg. — 14. 7th thoracic leg. — 15. Abdomen, 

 side view. —16. 2d abdominal leg. — 17. Caudal stylets. —18. Hairs on the integument under 625 

 diameters. 



Body stout. Hind margin of the segments raised so as to form conspicu- 

 ous transverse ridges. Fore margin of the head produced into a point 



