395 



compact form to that in Si/rrhoifes, but Laving the cutting part less prominent 

 and obscurely dentated, molar expansion more distinctly defined, palp less 

 rudimentar3^ First pair of maxillae nearly as in the said genus; 2nd pair 

 with the outer lobe much narrower than the inner. Maxillipeds of normal 

 appearance, masticatory lobes of moderate size, and provided with the usual 

 slender spinules. Gnathopoda very feeble and slightly unequal, the posterior 

 ones being more slender than tlie anterior, propodos small, slightly expanded 

 in the middle, palm oblique and provided with a similar strong denticulated 

 spine as in Si/rrhoe. The 2 anterior pairs of pereiopoda very slender ; the 3 

 posterior pairs much stronger, and less unequal than in the 2 preceding genera, 

 the last pair being scarcely longer than the penultimate one. Uropoda rather 

 dissimilar in structure; 1st pair with both rami very narrow; 2nd pair having 

 the basal part extremely short, and the inner ramus of unusual size, broadly 

 lanceolate and naked; last pair comparatively small, with the rami very 

 narrow and in female nearly naked, terminal joint of outer ramus spiniform. 

 Telson oblong triangular or broadly lanceolate in form, and entire, without 

 any cleft. 



ReinarJi's. — This genus, established by Boeck, bears a considerable 

 resemblance to tlie preceding genus, but is very prominently distinguished by 

 the rather different structure of the uropoda and of tlie telson. Also in the 

 structure of the oral parts there are to be found some differences apparently 

 of generic value. Moreover the gnathopoda are distinguished by the presence 

 of a tliumblike spine exactly similar to that in the genus Si/rrhoi'. The 

 genus comprises 2 very distinct species, to be described in the sequel. 



3. Bruzelia typica, Boeck. 



(I'l. 13S, PI, 189, fig. 1.) 

 Bruzdia typica, Boeck, Crust, amph. bor. & arct. p. 70. 



Body extremely broad, subdepre.ssed, and angular in transverse section, 

 the back being vaulted in a roof-like manner, and the lateral parts of the 

 segments exstant, forming an abrupt angle with the coxal plates. Mesosome 

 not carinated, metasome, on the other hand, distinctly keeled dorsally, the keel 

 being produced at the end of its last segment to an acuminate, somewhat 

 upturned projection. Urosome in female smooth above, in male armed with 

 2 small dorsal projections, the anterior of which, issuing from the 2nd 

 segment, is abruptly deflexed and narrow linguiform in shape, terminating 

 in 2 small bristles. Metasome much more powerfully developed in male 

 than in female. Cephalon very large, and much dilated in its posterior 



