602 



Legs of 5th pair subcheliform, dactylus stronglj curved, twice 

 as long as the immobile finger. 



One incomplete specimen, probably a male, long 12 m.m.; cara- 

 pace long 4 m.m., abdomen 8 m.m. 



17. Upogebia {Upogehia) ceratophora n. sp. 



Stat. 53. Bay of Nangamessi, Sumba. Depth up to 36 M. 

 Stat. 58. Ancliorage off Seba, Savu. Depth up to 27 M. 



A species of sraall size, distinguished, together with Upog. ( Upog.) 

 monoceros n. sp., by a strong, forwardly curved spiue on the cari- 

 nate, lower border of the rostrum. 



Rostrum triangular or rather hastate, being narrowed at its 

 base, measuring about one fifth the whole length of the carapace, 

 once and a half as long as broad ; its lateral margins armed each 

 with 7 conical teeth and hairy. Lateral margins of the gastric 

 region with 8 or 9 teeth, foremost tooth larger than the follow- 

 ing, directed outward ; the distance between these foremost teeth 

 just as long as the rostrum. Gastric region with 4 longitudinal 

 rows of small, low teeth, the two inner ones reaching until the 

 middle of the rostrum. Sixth abdominal somite longer than the 

 rest, quadrate, a little longer than the 2nd ; telson a little shorter 

 than 6th somite, nearly quadrate, its posterior margin emarginate. 

 Exopodite of caudal fan obovate, rounded distally, half as broad 

 as long; endopodite triangular, obtuse, a little more than twice 

 as long as broad; both swimmerets longer than telson. 



Internal antennae half as long as the carapace, flagella mea- 

 suring two thirds of the length of the peduncle; Ist joint of 

 peduncle with a spine on the lower border. External antennae 

 twice as long as the carapace, lower border both of the ante- 

 penultimate and of the penultimate joint with a spiue; flagella 

 4-times as long as the peduncle. 



Carpus of the legs of Ist pair armed with 9 or 10 spines of 

 different length. Propodite with an immobile finger, that is curved 

 inward and the prehensile edge of which carries 5 or 6 small, 

 acute teeth; upper border of the propodite armed above with 15 



