102 BULLETIN OF THE 



PLATE in. 



Fig. 1. rcntachclcs aculptus Smith. Dorsal view of female, from Station 326, 

 natural size. 



PLATE IV. 



Y'lf. 1. FcntachcJcs sculptm Smith. Ventral view of the cephalo-thorax of the 

 specimen iigured on tlie last ]>late, the distal portions of the appendages 

 onutteil, natural size ; a, tubular process containing the canal of the gi'een 

 gland ; b, jiroeess of the ophthalmic lobe. 



" 2. Mandible and lobe of metastome of the right side, as seen in ])laee from 

 below, from the male from Station 326, enlarged about two diameters. 



" 2^*. Palpus of the same mandible, seen from below, enlarged about two diameters. 



•' 3. First maxilla of the right side of the same specimen, seen from below, en- 

 larged about two diameters. 



" 4. Second maxilla of the riglit side of the same specimen, seen from below, 

 enlarged about two diameters. 



" 0. Diagrannaatic outline of the anterior portion of the first maxilliped of the 

 right side of the same specimen, as seen in place from below, enlarged 

 about two diameters ; a, ])roximal, and a', distal lobe of the protopod ; 

 i, base of endopod, the terminal portion being entirely hidden by the ex- 

 o])od ; c, basal portion of the exopod ; d, e, terminal lobes of the exopod. 

 5". The same maxilliped removed from the animal, slightly compressed and seen 

 from a little one side and below, eidarged about two diameters ; a, a', h, 

 c, d, same as in last figure ; /, ;/, epipodal lamella. 

 5^ Terminal portion of the same maxilliped, seen from above under slight 

 pressure, enlarged about two diameters ; lettering the same as in figures 

 5, 5\ 



6. Second maxilliped of the right side of the same specimen, enlarged about 

 two diameters. 



7. ExtiM-nal maxilliped of the right side of the same specimen, enlarged two 

 diameters ; a, rudimentary epipod. 



8. Chela of the right great cheliped of the female figured on Plate III., 

 natural size. 



9. Chela of the right leg of the second pair of the male from Station 326, en- 

 larged about two diameters. 



10. Paidimentary chela of the right leg of the third pair of the same specimen, 

 enlarged about two diameters. 



11. Piudinientary chela of the right leg of the fifth pair of the same .specimen, 

 enlarged about two diameters. 



12. Rudimentary chela of the right leg of tlie fifth pair of the female from 

 Station 898, U. S. Fish Commission, enlarged about two diameters. 



13. Appendage of the left side of the first somite of the abdomen of the female 

 figured on Plate III., enlarged about two diameters. 



14. Appendage of the left side of the first somite of the male from Station 326, 

 enlarged about two diameters. 



