opoda chelifera. 25 



Mandibulæ validæ, acie mandibulæ dextræ antice subtiliter 

 serrata, processu molari permagno et crasso. 



Epignathus maxillarum Imi paris bisetosus; maxillipedum 

 anguste falciformis, apice non exserto. 



Partes masticationis omnes in mare abortæ. 



Chelipedes feminæ validæ structura solita; maris valde 

 elongati, carpo attenuate, manu permagna, oblonga, digitis elon- 

 gatis et curvatis, subforcipatis, immobili intus fortiter tuberculato. 



Pedps ambulatorii Imi paris seqventibus paulo majores, 

 dactylo elongate, setifurmi, ceteri breviusculi, dactylo haud 

 magno, simplici, ad apicem curvato, articule basali parium 3 

 posteriorum sat tumefacto. 



Pleopoda omnia bene evoluta in mare et femina similia. 



Uropoda biramea, ramo externo minime et rudimentari, 

 uniarticulato, interno elongate, multiarticulato. 



Marsupium feminæ lamellis 8 magnis de segmentis liberis 

 4 prioribus prodeuntibus forniatum. 



1. Leptochelia Savignyi, (Krøyer). 



Tanais Sagvinyi. Krøyer, Nat. Tidsskr. Bd. 4, pg. 168, Tab. 

 II, fig. 1—12 9. 



Tanais Edwardsi% Idem, ibid. pg. 174, Tab. II, fig. 13—19, cf. 



Leptochelia Edwardsii. Sp. Bate & Westwood, British sessile 

 eyed Crustacea pg. 134. cf. 



Leptochelia algicola, Harger, Beport on the marine Isopoda of 

 New England (ex parte), 



Paratanais Savignyi^ Delage, Contribition à l'étude de l'ap- 

 pareil circulatoire des Crustacés édriophthalmes ma- 

 rins, pg. 134, PL XI, fig, 1—8. 

 Charact. spec. Corpus feminæ sat robustum, qvinqvies 



circiter longius qvam latius, lateribus subrectis; maris paulo 



œagis abbreviatum et medio leviter coarctatum. Segmentum 



