ON CRUSTACEA BROUGHT BY DR WILLEY FROM THE SOUTH SEAS. 663 



W. Muller)." Milne-Edwards in 1840 declares that he only knows a single species of 

 the genus, C Reynaudi, from the Indian Ocean. If, therefore, that species agrees in 

 its characters with Pyrocypris, that name can only be a sjTionym of Cypridina, and 

 some other name must be chosen for any species that need to be taken out of the 

 latter genus. 



It may be remarked that a species taken by the ' Challenger ' in the Eastern 

 Archipelago, and described by Dr Brady under the name ' (?) Cypridina punctata, Dana,' 

 in Trans. Zool. Soc. London, vol. 14, pt. 3, p. 89, pi. 16, figs. 5—9, 1897, shows a 

 close resemblance to a singular species from the Bay of Bengal, Eupathistoma natans, 

 Brady, described in the same transactions, vol. 14, pt. 8, p. 437, pi. 44, figs. 21 — 20, 

 1898. Probably the species ought to bear the name Eupathistoma piinctatum (Dana). 



Cypridina baravoni, n. sp. 

 Plate LXXII b. 



$. Shell smooth, oblong, length twice the height, antenual sinus below the centre, 

 rostral process well arched, not acute ; dorsal margin rather more convex than the 

 ventral, which is aj)ically produced beyond the dorsal, so as to have the ' lower half 

 of posterior part large gibbose' just as described and figured by Dana for his 

 Cypridina gibhosa (U. S. Expl. Exp., Crust., p. 129.5, pi. 91, f 4), but not so well 

 agreeing with Brady's Pliilumedes gihbosa (Dana) in Challenger Ostracoda, p. 160, pi. 

 39, f. 12. At the rostral extremity the present form agrees neither with Dana's nor 

 Brady's. 



Eyes small, dark, rounded oval. 



Fir.st antennae. First joint larger than second, third very small, fourth with a 

 long seta, fifth with long apical setae, perhaps belonging severally to this and two 

 very minute terminal joints. 



Second antennae. Secondary branch apparently represented only by two or three 

 setae, as in the form described by Brady. 



Mandibles. There are three spines or ungues at the apex ; the minute apical 

 joint scarcely distinguishable from the tapering penultimate joint. 



The two pairs of maxillae and the maxillipeds, as shown in the figures, appear 

 to be consistent with the character of the genus. 



The vermiform limb had but few spines on the distal rings. 



The rather long narrow furca carries nine pairs of spines, the first microscopic, 

 and only the last three of considerable size. 



Length, about 1'6 mm. Dana's gibhosa, which G. W. Muller refers to his genus 

 or subgenus Pyrocypris, was one-twentieth of an inch long and nearly twice as long 

 as high ; Brady's was of the same length, with ' height equal to more than half the 

 length.' 



Habitat. Barawon, Blanche Bay, New Britain. Capture at night. Dana's specimen, 

 a female, was taken in the Pacific, lat. 15^ 20' S., long. 148° \V., Brady's, a male, in 

 Zebu Harbour, Philippine Islands ; both seem to be too oval in shape to be identified 

 with the form here described. 



