234 REPORT OF NEW JERSEY STATE MUSEUM. 



fourth. Flagellum formed of three nearly subequal segments, 

 third Httle longer than second. Second antennae reach hind edge 

 of third thoracic segment. Maxillipeds with palp formed of three 

 segments. No palps to mandibles. Thoracic segments subequal, 

 first slightly longer than others. No epimera separated from 

 any of segments. Abdomen abruptly narrower than thorax. 

 First two abdominal segments covered at sides by seventh thor- 

 acic segment. Lateral portions of segments not developed. Sixth 

 or terminal abdominal segment of triangular form, and apex 

 not produced or rounded. Uropoda with basal segment extend- 

 ing to end of abdomen, inner rami extend slightly beyond ter- 

 minal abdominal segment, and outer rami but very slightly 

 longer than inner. Legs all ambulatory. Color brown, with 

 light lateral edges and narrow longitudinal light area or band 

 in middle of dorsal surface, separating two wide dark bands. 

 Length 6.5 mm. (H. Richardson.) 



Remarks. — The range of this species is quite restricted, ex- 

 tending only from Alassachusetts to our present limits, having 

 been originally described from Great Egg Harbor by Say. It 

 lives under wood, stones, logs, etc., in moist places. Along the 

 shore it occurs under rubbish, and on the underside of boards 

 above high water. 



Genus ONISCUS Linnaeus. 

 Wood Lice. 



Oiiiscus Linnjeus, Syst. Nat., Ed. 10. 1758, p. 636. Type Onisms asellus 

 Linnaeus, ninth species. 



Btodv broad and depressed, with lateral parts of segments 

 lamellarly expanded. Cephalon with well defined lateral lobes, 

 front imperfectlv defined from epistome. Metasome not 

 abruptlv contracted, last segment considerably produced. Eyes 

 large, sublateral. Antennulse with terminal joint well developed. 

 Antennae slender and elongated, with flagellum composed of 

 three articulations. Mandibles with numerous pencils behind 

 cutting part. Legs moderately slender, generally increasing 



