332 Miss H. Richardson on the Isopods of the 



a'. Surface of body punctate. 



b. Lateral processes of the head large, [Lund. 



prominent 77. A. cornutus, Budde- 



b'. Lateral processes of the head small, 



scarcely prominent 78. A. perconvexus, Dana. 



76. Alloniscus mirahilis (Stuxberg). 



Rhinoryctesmirnbilis, Stuxberg, CEfversigt af Vetensk.-Akad. Forhandl, 



1875, no. 2, p. 51. 

 Alloniscus mirahilis, Budde-Lund, Crust. Isop. Terrestria, 1885, p. 229. 



Hah. California. 



77. Alloniscus cornutus^ Budde-Lund. 



Alloniscus cornutus, Budde-Lund, Crust, Isop. Terrestria, 1885, pp,228, 

 229. 



Hah. California. 



78. Alloniscus perconvexus J Dana. 



Alloniscus perconvexus, Dana, Proc. Acad. Nat. Sci. Philad. vii. p. 176 ; 



Stimpson, Journ. Bost. Soc. Nat. Hist. vi. p. 66; Budde-Lund, 



Crust. Isop. Terrestria, 1885, p. 225. 

 (?) Allo7iiscus maculosus, Harford, Proc. Cal. Acad. Sci. pt. 1, vii. 1877, 



p. 54. 



Fig. 34. 



Alloniscus perconvexus, Daua. X 8. 



Hah. California ; Pacific Grove ; Santa Barbara ; Monterey 

 Bay, collected by Mr. Heath; Tillamook Head, Oregon. 



