548 Mr. L. A. Borradaile on the 
Not having seen specimens or descriptions of the following 
species, | am unable to place them :— 
C. Krukenbergi, Neumann, 1878. Syst. Uebersicht Gatt. Oxyrhynch., 
&c., Leipzig, 1878. 
C. Filholi, A. M.-Edw., 1878. Bull. Soc, Philom. 
C. Stimpsont, Smith, 1874. 
C. celebica, de Haan. 
The following, being known only by the chela, also cannot 
be placed :— 
C. occidentalis, Bate, 1888. ‘Challenger’ Macrura. E. (Nom. preoc.) 
Genus Gryprurus, Stimps., 1866. 
Definition : ‘ Callianassinz with the eyes flattened against 
one another, the ischiopodite and meropodite in the maxilli- 
peds of the third pair not broader than the carpopodite and 
propodite ; no gill-like filaments on the abdominal limbs, the 
second pair of which have narrow branches ; the endopodites 
of the Jast pair of limbs broad and triangular, the telson very 
small, and the plates of the tail-fin deeply graven.” 
Species : 
Type. G. acanthochirus, Stimps., 1866. Proc. Ac. Sci. Chicago, i. HE. 
G. grandimana (Gibbes), 1850. Proc. Am. Assoc. iii. E. 
G. Branneri, Rathb., 1900. Bull. U.S. Fish Comm. E. 
Genus CatiianipEA, H. M.-Edw., 1837. 
[ =Isea, Guérin, 1832,= Callianisea, H. M.-Edw., 1837,= Callisea, 
Dana, 1852. ] 
Definition: “ Callianassinz without linea thalassinica, 
with the eyes flattened against one another, bearing the 
cornea on the outside ; the ischiopodite and meropodite in 
the maxillipeds of the third pair not broader than the carpo- 
podite and propodite, the propodite in the legs of the third 
pair without a lobe on the hinder edge; mastigobranchs 
on all the thoracic limbs except the last; gill-like filaments 
on the second to fifth abdominal limbs, which are all alike, 
with moderately broad oval branches, the branches of the last 
pair of limbs rather narrow and oval, not deeply graven, and 
the telson long.” 
Species : 
Type. C. typa, H. M.-Edw., 1837. H. Nat. Crust. ii. I. 
?=C. elongata (Guérin), 1832. Ann. Soc. Entom. France, (1)i. I. 
C. levicauda, Gill, 1859. Proc. Ac. Philadelphia, xi. E. 
C. Steenstrupt, Boas, 1880. Danske Vidensk. Selsk. Skrifter, (6)i. E. 
C. mucronata, Kossm., 1880. Reise Roth. Meer. ii. I. 
The number of genera in the four families is 13,—4 in the 
Axiide, 2 in the Laomediide, 1 in the Thalassinide, and 6 
in the Callianasside. If subgenera be counted in, the total 
