I 9 I 



Distance between the base and the anterior pair of lateral spinules 



Distance between the base and the posterior pair of lateral spinules 



Length of the merus 



Width of the merus 



Length of the carpus 



Width of the carpus at distal extremity 



Length of the chela 



Length of the palm 



Width of the palm in the middle 



Len«th of the fingers 



of the leg of the 2 nd pair 



9 

 4 



0,62 



0,92 



N° 1 — 3 Stat. 181, N° 4 female from Stat. 91. 



General distribution: Port Jackson (Stimpson); Hawaiian Islands (Rathbun); Tahiti 

 (Ortmann, as Gnath. pallidum); Amboina (de Man); Ternate (de Man); Mauritius (Richters, 

 as Gnath. zebra); Minikoi (Borradaile); Seychelles (Borradaile); Djibouti, Muschah Islands 

 (Nobili, as Gnath. americanum Guér.). 



According to Miss Rathbun Gnath. fasciolatum Stimps. should be identical with Gnath. 

 americanum Guér. and in this case occur in the Gulf of Mexico, on the shores of Cuba and 

 Porto Rico. 



Hymenocera Latr. 



In the "Proceedings of the Academy of Natural Sciences of Philadelphia" the late 

 Professor B. Sharp has published in 1893 a Catalogue of the Crustacea in the Museum of 

 that Academy. This Catalogue mentions the name of Hymenocera Latreillii Guér., Indian 

 Region, Seychelles, but I dicl not succeed in establishing in which work and at what time 

 this species was described by Guérin. Besides this Hym. Latreillii still two other species of 

 the genus are known as occurring in the Indopacific, firstly Hym. picta Dana from the coral 

 reefs of Raraka, one of the Paumotu Islands, and furthermore Hym. elegans Heller, which is 

 found in the Red Sea, in Coetivy, Seychelles, on the coast of Mozambique, off Mauritius and 

 in the Indian Archipelago, a form which perhaps shall prove to be identical with the species 

 described by Guérin. 



The species of Hymenocera are found between corals on coral reefs. 



1. Hymenocera elegans Heller. PI. XVI, Fig. 49. 



Hymenocera elegans C. Heller, in: Sitz. Ber. Kais. Akad. Wiss. Wien, XLIV 1861, p. 264, 



Taf. III, fig. 9 — 14. 

 Hymenocera elegans F. Hilgendorf, in: Monatsber. Kon. Akad. Wiss. Berlin, Nov. 1S7S, p. 828. 

 Hymenocera elegans J. G. de Man, in: Abhandl. Senckenb. Naturf. Gesells. Frankfurt a Main, 



XXV, 1902, p. 822, Taf. XXV, fig. 52. 

 Hymenocera elegans G. Nobili, in: Annal. Scienc. Natur. 9e Série, Zool. T. IV, 1906, p. 69. 



Stat. 220. Nov 1/3. Anchorage off Fasir Pandjang ; west coast of Binongka. Reef. 1 female 

 without eggs. 



