27 g CRUSTACEA. 



The o-enus Lupocyclus of Adams and White (Crust. Samarang, p. 

 46, pi. 12, f. 4), appears to be identical with Amphitrite. No cha- 

 racters are mentioned which would exclude the species from that 

 genus, and the figure, not excepting the appearance of the eyes, con- 

 firms this conclusion. 



1. Dens lateralis posterior non elangatm. 



Amphitrite st-eciosa. 



Carapax areolatus, parce transversus, midus, gramilatus, fronte inter- 

 antennali 5-dentato, dente mediano minutissimo } trianyulato, proximo 

 non prominente, vemotiore prominente, obtusoj manjine antero-laterali 

 paulo arcuato, 9-dentato, otentibus alternatim paululo mi nor thus. 

 Pedes antiei sat validly hrae/tio postice 2-*]>ino.so, ant ice kspinoso, 

 carpo 2-spinoso, manu breviore quam latitude carapacis 3 2-spinosdj 

 spina anteriore brevissimd vix cottspiend. Areola carapaeis eardiaca 

 bl-partita ; intestinalis grand is, tripartita, parte mediand fere lineari. 



Carapax areolate, sparingly transverse, nude, granulate, front between 

 the antenna9 five-toothed, the median tooth very minute triangular, 

 the next either side not at all prominent, the next prominent, 

 obtuse; antero-lateral margin nine-dentate, teeth alternately very 

 slightly unequal. Anterior feet of medium size, arm with two 

 spines behind and four before, carpus with two spines; hand shorter 

 than the breadth of the carapax, having two spines, the anterior 

 one very short and hardly distinct. Cardiac areolet of carapax bi- 

 partite; intestinal large and tri-partite, the median part nearly 

 linear. 



Plate 17, fig. 1 ft, male, enlarged two diameters; l. abdomen; c, 

 outer maxilliped; d, summit of inner branch of first maxillipeds. 



From the Feejee Archipelago, Pacific. 



Length of carapax, eight lines; greatest breadth, eleven and one- 

 fourth lines ; ratio of length to breadth, 1 : 14. The median point of the 

 front appears to proceed from a low lobe, the teeth either side which 



