326 P. SCBALFEEW, CARCINOLOGISCHE BEMERK. AUS DEM ZOOLOG. [T. XIII 



L Hapalogaster (Brdt.). 



Abdomen pro majore parte molle, cutaneum, basi in tergo paribus duo- 

 bus laminarum lateralium, interdum lamellula intercalari mediana sejunctis, 

 instructum; chelipedes valde inaequales, articulo brachiali crasso, brevi, fere 

 isodiametrico ; chelipes dexter sinistro multo major nee non pede gressorio 

 primo longior; digiti apieibus in chela sinistra corneis, in dextra calcareis. 



Specierum generis Hapalogastri tabula synoptica *). 



A . Abdomen basi tantummodo paribus duobus lami- 

 narum lateralium instructum ; thoracis margi- 

 nes laterales (branchiales) spinis dentibusque 

 (non nisi 2 minutis) destituti. 

 B. Articulus maxillipedum externorum penul- 

 timus apice distinetissime dilatatus, sub- 

 trigonus. 

 C. Pedum gressoriorum articuli in margine 

 antico dentibus 4 — 5 serrati; chelipe- 

 des non tuberculati, aeque ac carapax 



dense setosi cavicauda Stimpson 2 ). 



CC. Pedum gressoriorum non nisi merus in 

 margine antico dente unico parum dis- 

 tincte; carapax pedesque parce setosi. 

 D. Carapax tuberculis planiusculis , 

 subsquamiformibus, margine an- 

 tico setiferis, confertim obsessus; 

 pedes gressorii supra tuberculati, 

 sed non rugosi; chelipedis dextri 

 chela facie exteriore tuberculis 

 majoribus rubiformibus ornata. . 4. Brandti, n. sp. ^. 

 DD. Carapax scabrositatibus squami- 

 formibus setiferis sparsim obsessus; 

 pedes supra rugosi ac tuberculati. inermis Stimpson 4 ). 



1) Ich wage nicht, Dermaturus hispidus Stimpson (Ann. of the Lyceum of nat. hist, of 

 New- York, vol. VII, p. 242) in diese Tabelle einzuführen, da dieser Krebs, wie es schon der 

 Verfasser selbst vermuthet hat, sich generisch von den Brand t'schen Hapalogaster und Derma- 

 turus unterscheiden soll. 



2) Hapalogaster cavicauda Stimpson, Prodromus etc. in Proc. of the Acad. Nat. Sc. of 

 Philadelphia, vol. 10, p. 232 (1858; nomen nudum); Stimpson, Notes on N.-Amer. Crustacea 

 in Annals of the Lyceum of Nat. hist, of New- York, vol. VII, p. 81, tab. I, f. 7 (1859); Boas 

 Studies over Decapod. Slaegtskabsforhold in d. Kong. Dansk. Vidensk. Selsk. Skrifter, 6 Kaekke, 

 I Bind, p. 122, tab. VI, f. 200a und b. 



3) Vgl. unten pag. 240. 



4) Ann. of the Lyceum of nat. hist, of New-York, vol. VII, p. 243 (1861). 



Bulletin N. S. Ill (XXXV) p. 332. 



