556 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 49. 



Richardson, H. 



1905. Monograph of tlie Isopods of North America. Bull. U. S. Nat. Mus., 54, 

 pp. liii+727. 

 Shaepe, R. W. 



1908. A Further Report on the Ostracoda of the United States National Museum. 

 Proc. U. S. Nat. Mus., vol. 25, pp. 399-430, pis. 50-65. 

 Smith, S. I. 



1870. Notes on American Crustacea. No. 1 Ocypodoidea. Trans. Conn. Acad. 

 Arts and Sci., vol. 2, pp. 113-176, pis. 2-5. 

 Wheeler, W. M. 



1900. The Free-Swimming Copepods of the Woods Hole Region. U. S. Fish 

 Com. Bull., 1889, pp. 157-192. 

 Young, C. G. 



1900. The Stalk Eyed Crustacea of British Guiana, West Indies, and Bermuda. 

 London, pp. xix-514. 



EXPLANATION OF PLATES. 



(From photographs furnished by Mary G. Rathbun.) 



Plate 70. 



Pseudothelphusa pearsei, male. 



Fig. 1. Paratype (45865); right first abdominal appendage; dorsal view, X 3. 



2. Same specimen; abdomen, X 3. 



3. Same specimen; left outer maxilliped, X 3. 



4. Holotype; dorsal' view, X IJ. 



5. Same specimen; front view, X IJ- 



Plate 71. 

 Pseudothelphusa clausa, male. 



Fig. 1. Paratype (45878); left first abdominal appendage; inner view, X 3. 



2. Same specimen; abdomen, X 3. 



3. Same specimen; left outer maxilliped, X 3. 



4. Holotype; dorsal view, X IJ- 



5. Same specimen; front view, X In- 



flate 72. 

 Pseudothelphusa angulata, male, holotype. 



Fig. 1. Left first abdominal appendage; inner view, X 3. 



2. Abdomen, X 3. 



3. Left outer maxilliped, X 3. 



4. Dorsal view, X 1- 



5. Front view, X 1- 



Plate 73. 



Pseudothelphusa ruthveni, female, holotype. 



Fig. 1. Left outer maxilliped, X 3. 



2. Dorsal view, X 1|. 



3. Front view, X H- 



