686 ON CRUSTACEA BROUGHT BY DR WILLEY FROM THE SOUTH SEAS. 



F. Bassetiia congri, ii. g. et sp. 

 n.s. Length of specimen, of which ventral ( V) and lateral (L) views are given. 

 a.s., a.i. First and second antennae. 

 OS. Complex of oral parts. 

 ped. 4. Fourth pair of legs. 

 c.a. Caudal appendages, attached to terminal segment. 



PLATE LXXI. 



Anchicaligus (n. g.) nautili (Willey). 

 (J , ? . Male and female in dorsal view. 

 n.s. Lines indicating the natural size. 

 S, V. Male, more highly magnified, in ^■entral view, 

 r. Rostrum of the female specimen. 

 c.p. Caudal plates of the female specimen. 



L, a.s., a.i. Lunula, with first and second antennae. These and the following figures, 

 drawn all to one scale, from another female specimen. 

 ■mxp. 1, 2. First and second maxOlipeds. 



ped. 1, 2, 3, 4. First, second, third, and fourth thoracic feet ; of the first and second 

 pairs both limbs are shown with their ventral attachment. 



PLATE LXXII A. 

 Asterope arthuri, n. sp. 



n.s. Natural size of specimen, ? , of which the much enlarged lateral ^-iew is given above. 



n.s*. Natural size of one of the largest specimens. 



/. t. Frontal tentacle. 



oc. Eye. 



a.s., a.i. First and second antennae, with two spines of tirst antenna much more 

 highly magnified. 



m. Mandibular foot. 



mx. 1, 7nx. 2, mxp. First and second maxillae and ma.xillipeds. 



apj). V. Appendix vermiformis, with apex much more highly magnified. 



c.l. Caudal laminae. 



All the details are magnified to the same scale, except the extra enlargements of parts 

 of the first antenna and the vermiform appendage. This last organ is from the specimen 

 of which the full figure is given, the other details are from another specimen. 



v.d. Right valve, with body of the animal displayed by removal of the left valve. 

 Below are seen the branchial laminae, with the vermiform limb immediately above, followed 

 on the right by the eye and the second antenna, while on the left are successively tlie 

 maxilliped, the second and first maxillae. To the extreme left are seen protruding the ungues 

 of the caudal furca. Almost in the centre are the ends of the adductor muscle. 



PLATE LXXII B. 

 Cypridina baravoni, n. sp. 

 n.s. Natural size of specimen, with enlarged lateral view above. 

 oc. Eye. 



a.s., a.i. First and second antennae. 

 III. Mandible. 

 jii.i: 1, 2, mxp. First and second maxillae and maxilliped. 



