48 



CAHl- liOVALLIUS, AM1'I1II'()I)A IlYIMClUinKA. 



VIBILIDTE. 



Syn. 184-5. VihiUa Jeaiu/evardi, LUCAS. 



?185Ii ViliiUa specio.tn. 



COSTA. 



— Exploration soientifique de TAlgérie, pen- 



dant les années 1840 — 42. Zooloffie. 



Histoire natuielle des aniiiiaux arti- 



oiilcs, p. 56. Pl. .5, fig. 4. 

 SpENCK Bath. 1802. fatal. Amph. Cmst. Brit. Museum, p. 



303. Pl. 49, fig. 9. 

 M.VRION. 1874, »Recherches sur les aiiimanx inférieurs 



du golfe de Marseille». Ann. So. 



nat. 2""' Sér. Zoologie. Tonic V, 



p. 5. Pl. 1, fitf. 1— 111, lo and 



pl. 2, %. Ik. 



— »Picerehe su' Crostacei Amfipodi del Re- 



gnodiNapoli». Rendiconto della Societ.'i 

 Reale Borboiiica. 18.53, p. 178. 



'?1872 VihiUa mediterranea, CLAUS. 



Grundziige der Zoologie, 2te .\uH. p. 



The iflentity of Vibilia Jeangerardi and V. mediterranea seems to be a little doiibtfu], 

 but as 1 do not find in the descriptions quoted above any differences worth speaking of, I 

 have regarded the latter as synon5'mous to the former. Vibilia speciosa, Costa, is too badly 

 described and figured') to allow ofits identity being established with any degree of surety, 

 but I am very rauch inclined to believe that Marion is quite right in snpposing it to 

 be synönymous to V. Jeangerardi. The original description of Li:cas is not satisfactory, 

 but the låter treatise published by Marion in 1874 is more exhaustive and makes it easy 

 to recognize the species. However, Vibilia Jeangerardi is closeh" allied to V. Peroni, 

 differing from it chiefly by the simple, not subcheliform fii^st pair of pereiopoda, bv the 

 want of hairs on the legs, and by the shorter telson. 



The body is rather thick and broad. 



The liea.d is a little deeper than long, the rostrum very short, shorter than half 

 the head. 



The eyef< are elongate, a little broader above; the periphei"ieal row of ooelli oontains 

 largei' ocelli than the central ])art. The pigment is very black. 



Tlie frst pair of antenr/aj (Pl. \TI, tig. o) consist of a thick and broad three-jointed 

 |)cdiuicle, the tirst or basal joint of which is more than t\vice as long as the two foUowing 

 together, and a few-jointed Hagellum. Tlie first joint of the fiagellum is very large, tumid, 

 ovate, slightly compressed, provided with h^ng hairs at the inner sides; it is twice as long 

 as the peduncle. On its apex it carries the following joints of the fiagellum, two or tliree 

 in number and verv miiuite, the last one provided with some rainute hairs. In the Aoung 

 animal these terminal joints are larger and wcll developed, in ver^s^ old males they ai'e 

 almost obsolete. 



') 111 the drawiiig (1. c. pl. V, tig. 9) tliere are eight pairs of pereiopoda instead of seven. 



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