332 
P. SCHALFEEW, CARCINOLOGISCHE BEMERK. AUS DEM ZOOLOG. [n. S. III 
I. 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 nec non pede gressorio 
primo longior; digiti apicibus in cbela sinistra corneis, in dextra calcareis. 
Specierum generis Hapalogastri tabola synoptica 1 ). 
A. Abdomen basi tantummodo paribus duobus lami¬ 
narum lateralium instructum; tboracis margi- 
nes laterales (branchiales) spinis dentibusque 
(non nisi 2 minutis) destituti. 
B. Articulus maxillipedum externorum penul- 
timus apice distinctissime 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 3 ). 
CC. Pedum gressoriorum non nisi merus in 
margine antico dente unico parum dis- 
tincto; carapax pedesque parce setosi. 
D. Carapax tuberculis planiusculis, 
subsquamiformibus, margine an¬ 
tico setiferis, confertim obsessus; 
pedes gressorii supra tuberculati, 
sed non rugosi; clielipedis dextri 
cliela facie exteriore tuberculis 
majoribus rubiformibus ornata. . 4. Brandti, n. sp. 8 ). 
DD. Carapax scabrositatibus squarni- 
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. YII, p. 242) in diese Tabelle einzuführen, da dieser Krebs, wie es schon der 
Verfasser selbst vermuthet hat, sich generisch von den Br and 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 Baekke, 
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). 
Melanges biologiques. T. XIII, p. 326. 
