676 PROCEEDINGS OF THE NATIONAL MUSEUM. 



Habitat. — Australia (Milne-Edwards), Sydney, Australia (Heller). 

 Length about 2 inches (Milne-Edwards), 2| inches (Heller). Color 

 greenish (Heller, as also in Milne-Edwards's figure). 

 Probably an immature specimen of '^nAstacoiysls., possibly A. nobilis. 



"ASTACUS" TASMANICUS Erichson. 



Astacus iaamanicits Erichson, Arch. f. Naturgesch., 12ter Jahrg., I, p. 94, 184H. — 

 vox Martens, Monatsber. Akad. Wissensch. Berlin, 1868, p. 618. 



Astaeojmis iasmaniciis Haswell, Cat. Australian Stalk- and Sessile-eyed Crust., 

 p. 178, 1882 (after von Martens). 



Habitat. — Tasmania. Type in Berlin Zoological Museum, No. 1579, 

 female (von Martens). 



"ENG.EUS" FOSSOR Erichson. 



Astacus {Eugivits) fossor Erichson, Arch. f. Naturgesch., 12ter. Jahrg., I, 



p. 102, 1846. 

 Aafacna fossor von Martens, Monatsber. Akad. Wissensch. Berlin, 18(58, ]). 618. 

 EiKjous fossor Haswell, Cat. Australian Stalk- and Sessile-eyed Crust., p. 178, 



1882 (after von Martens). 



Habitat. — Tasmania (Erichson, von Martens), Australia (vonMai tens). 

 Types in Berlin Zoological Museum, ISTos. 1123, 1124 (von Martens). 



"ENG-^US" CUNICULARIS Erichson. 



Astacus (Engams) cimicularis Erichson, Arch. f. Naturgesch.. 12ter Jahrg., I, p. 



102, 1846. 

 Astacus cttnicidaris vox Martens, Monatsber. Akad. Wissensch. Berlin, 18(38, p. 



619. 

 Enf/oiis citnicularis Haswell, Cat. Australian Stalk- and Sessile-eyed Crust., p. 



179, 1882 (after von Martens). 



Habitat. — Tasmania (Erichson, von Martens). Type in Berlin Zoo- 

 logical Museum, jSTo. 1122 (von Martens). 



"ASTACOi'DES" PLEBEJUS Hess. 



Astacdides plebejus Hess, Arch. f. Naturgesch., Slter Jahrg., I, p. 164, pi. vii, 



fig. 17, 1865. 

 Astacus pleh(]jus voN Martens, Monatsber. Akad. Wissensch. lierlin, 1868, p. 



616 (after Hess). 

 Astacopsis plebejus Haswell, Cat. Australian Stalk- and Sessile-eyed Crust., p. 



175, 1882 (after Hess). 



Habitat. — Sydney, Australia (Hess). Type in Gottingen Museum 

 (Hess). 



This is probably a Clieraps — G.preissii Erichson, or else G. bicarinatus 

 (Gray). (See p. 672.) 



