6 A. O. WALKER. 
up to May, 1906, I refer my readers to it where my references are insufficient. The 
nomenclature of the genera and species has been corrected to correspond with it. 
I have not thought it advisable to give synonymic lists of the older species, as I 
have often found these to be sources of error, owing to mistaken identifications. 
The following terms are used in the descriptions :— 
“ Pleon ’”=metasome, G. O. Sars ; the first three abdominal segments. 
“ Urus””=urosome, G. O. Sars ; the last three abdominal segments. 
“ Ocular lobe” =lateral angle of the head. 
“ Appendage ” =secondary or accessory appendage of the upper antenne. 
In the peduncle of the antenne, the “ first joint” is the antepenultimate ; in the 
limbs it is the basipodite. The measurements are from the tips of the uropods to the 
base of the antennze, when the amphipod is straightened. 
FAM. VIBILITDA, Cxaus. 
VIBILIA PROPINQUA. 
Vibilia propingua, Stebbing. 
From lat. 54° 01'S., long. 170° 49’ E. (27 Dec., 1901) to lat. 69° S., long. 174° E. 
(7 Jan., 1902); many specimens. The ‘Challenger’ specimens were taken in lat. 
25° 30’ N., long. 130° E. It has recently been recorded by Mr. Stebbing from the Bay 
of Biscay.* 
The genus Vibilia has been partly revised by Herr Vosseler,t but his paper does 
not include the following species :— 
1892. 1. V. erratica, Chevreux, Bull. Soc. Zool. de France, 17™° année, pp. 32-35. 
1896. 2. V. bovallii, Bonnier, Camp. du Caudan dans le Golfe de Gascogne, Ann. Université de 
Lyon, p. 612, Pl. XXXYV., fig. 3. 
~ Vatarondelies \ Cievrenx, Camp. scient. de 1Hirondelle (leans asl eemamIn 
3 
4. V. dentata ; S ss 
25- 
Parananones Amphipodes, pp. 125-154, Pls. XV., XVI. 
1900. 
Of these No. 1 is distinguished by the wrist of the second gnathopods being 
without the usual process. Nos. 3 and 4 belong to Bovallius’ division, in which the 
lateral angles of the last urus segment are not produced backwards. No. 3 is said to 
be very near to V. viatrix, Bov., but distinguished by the presence of a rostrum 
(which, according to Vosseler, occurs also occasionally in V. viatrix), the rounded form 
of the epimeral plates of the first and second pleon segments, the partial coalescence of 
the two last urus segments, and the great length of the carpal process of the second 
gnathopods. No. 4 is characterised chiefly by the large size of the teeth on the palmar 
margin of the first gnathopod. No. 5 has the angles of the last urus segment produced 
in “deux petits prolongements latéraux, larges et arrondis.” In the present collection 
* Trans. Linn. Soe. Zool., 2nd Ser., Vol. X., p. 31. 
f Amphipoden d. Plankton Expn. 1 Teil. Hyperiidea, Mitt. Kéniglich. Nat. Kabinet, Stuttgart, 1901. 
