23 



that the reference to Fabricius is unfortuiKiteij' primed as p. 450 

 instead of 460- Fabricius himscli has a species Cancer spinifrons, 

 which was instituted by Herbst in 1785, Krabben und Krabben, 

 vol. I, pt. 6, p- 185, pi. II, fig. 65. This species has nothing, 

 whatever to do with Leach's Homola sphiifrons, but for those who 

 may wish to verify this by the original authorities it should be 

 mentioned that Fabricius twice gives a misleading reference to 

 Herbst. In the Ent. Syst;., vol. 2, p. 455, he refers to " Cancer 

 spinifrons, Herbst. Cancr. tab. 9. tig- 58.," and in the Supple- 

 mentum he repeats this reference after one to his own work, as 

 though he himself were the author of the species- 



The South African specimen has the carapace ornamented as 

 figured by Milne-Edwards and described by Heller^ and likewise 

 in agreement with the account given by Alcock of his Homola 

 andamanico- There are 13 spines between the short, slightly 

 depressed bifid rostrum and the cervical groove, and down each 

 side there is a row, beginning with a large tooth-like spine, 

 followed by a smaller one, ,and then by diminishing denticles to 

 the number of a dozen. The epistome has a central upturned 

 spine. The fourth joint of the third maxilliped being abruptly 

 narrowed in the distal half, looks as if a piece had been cut out 

 of its outer margin. The fourth joint in the four pairs of ambula- 

 tory legs is setose or spinulose on the inner margin, but seems 

 devoid of the tooth spines wliich are characteristic of H. andot- 

 manica. 



Length, 29 mm. 



Locality: — False Bay, from 32 fathoms. 



Fam- : Latreit.liidae. 



1899. Latreillidae, Alcock, Journ. Asiat. Soc. Bengal, vol. 68, pt. 



2, pp. 130. 165. 

 1901. LatrcilUdae, Alcock. Catal- Indian Decapod Crustacea, p. 

 70. 

 For the distinction of this family from the Homolidae see 

 page 2 1 . 



Gen. : Latreillia, Roux. 



1828. Latreillia, Roux, Crustaces de !a Mediterranee. liviaison 



5, pi. 22. 

 1834 Latreillia, H. Milne-Edwards, Hist. Nat. Crust., vol. i, 



p. 277. 

 1839. Latreillia, de Haan, Crustacea Japonica. decas quarta, 



p. 105. 

 1863. Latreillia, Heller, Crust, siidl. Europa, p. 146- 



