PLATE XXII. (Crustacea, Plate LXXXVI.) 

 Alpheus dissodontonotus, n. sp. 



car., n.s. Carapace of the specimen in lateral view, leaning slightly to the right, of 



natural size ; with the anterior portion, above, greatly enlarged, and, below, 



the anterior portion in dorsal view less enlarged. 

 T. The telson in dorsal view, 

 a.i. Scale of the second antenna. 

 m. A mandible from the inner side, with enlargement of the incisor process and 



the molar. 



mx. 1, mx. 2. The first and second maxillae, 

 mxp. 2, mxp. 3. The second and third maxillipeds, with terminal part of the third's 



little epipod greatly enlarged, 

 prp. 1, prp. 1. The first peraeopods, the figure on the right representing the large 



left cheliped, that on the left the smaller right cheliped. 

 prp. 2, prp. 3. The second peraeopod and last five joints of the third, 

 urp. One of the uropods. 



The magnification is uniform for all the figures, except the carapace, which is not 

 magnified, and its anterior portion in lateral view, which agrees with the extra 

 enlargement of the mandibles, and part of the epipod of the third maxilliped more 

 enlarged than any other figure. 



