

7 q 4 CRUSTACEA. 



Idot^ea HIRTIPES. 



Sat lata, fronte truncate, vix excavato. Epimerce latiusculce, posteriore 

 equilateraliter triangulatd. Abdomen lath oblongum, postice parce 

 angustius, apice paulo iruncatum, angulis posticis rotundatis medioque 

 postico paulum apiculato. Pedes infra plus rninusve hirti. Antenna} 

 interna^ articulum penultimum basalem externarum attingentes. An- 

 tennae externce dimidio corporis non longiores, flagello lQ-lS-articu- 

 lato, nudo. 



Rather broad, front truncate, hardly excavate. Epimerals somewhat 

 broad, the posterior equilaterally triangular. Abdomen broad ob- 

 long, a little narrower behind and subtruncate, posterior angles 

 rounded and having a small, prominent, apical point. Feet rough, 

 and rather close hairy below. Inner antennae reach to penultimate 

 basal joint of outer pair ; outer antennas not half as long as body, 

 flagellum sixteen to eigh teen-join ted, naked. 



Plate 46, fig. 6 a, animal, natural size; b, first antennae, enlarged; 

 c, posterior pair of legs, ibid. 



Puget's Sound, Oregon. 



Length of body, 1*45 inches; breadth, 0*42 inch; ratio, 35 : 1. 

 This large species, when of full growth has the under side of the legs 

 quite thick and rough hairy. The last pair has the fourth joint 

 transverse, and the third hardly oblong, and the margins as well as 

 the surface below, are short hairy. 



2. Abdomen 1-articulatum, versus basin suturd utrinque notatum. 



Idot^ea STRICTA. 



Sat angusta, fronte excavato, capite paulo transverso. Epimera} par- 

 vulce. Antenna} externa} fere dimidii corporis longitudine, flagello 

 breviore quam basis, 10-articulato, nudo. Antenna} interna} penulti- 



