Victorian Decapod Crustacea. 15 



T. porcellana was described by Kinahan from Port Phillip. He 

 differentiates Dana's species from it " in wanting the triangular 

 teeth on the movable finger and forearm, in having the inner 

 part of the fingers finely denticulate and in not having the front 

 of the carapace produced as a small triangular rostrum." 



The diagnostic characters given by Kinahan for his species we 

 have found to be invariably characteristic of the male, while 

 Dana's figure and description correspond to the female. This we 

 have found to be true after examination of a large number of 

 specimens and we have no hesitation in giving the synonomy as 

 above. 



DESCRIPTION OF PLATES. 



Plate III. 



Cycloxanthus puuctatus, showing whole animal ; and 

 chelipede and abdomen of male and of female. 



Plate IV. 



Fig. 1 — Pilumnus pilosus. S' 



,, 2 — Pilumnus pilosus. 2 



„ 3 — Pilumnus pilosus (Type), from which the tomentum and 

 hairs have been rubbed off to allow outline of cara- 

 pace to be seen. 



,, 4 — Pilumnus pilosus. Side view of cheliped with hair 

 removed. 



,, 5 — Cryptocaeloma fimbriatum, Miers, partly denuded of 

 hair. 



Plate V. 



Callianassa ceramica, sp. n. Whole animal, third max- 

 illipede and large and small chelipedes. 



