. Bulletin - New York State Museum. Fig. 43 Aeg-athoa loligineaHi (After Harger) Livoneca ovalis (Say) C y m o t h o a oralis Say, T. /. c. 1818. triloba DeKay. /. c. 1844. , , ovalis Verrill. 1874. P-572. Harger. /. c. 1880. /. c. 1901. A parasitic Isopod, with body broadlyoval and more or less distorted. Dorsalsurface moderately convex. Feet pressedckDsely to the body and concealed; thefirst three pairs pointing forward, thelast four backward. They are found clinging to the roofof the mouth or to the gills of bl
. Bulletin - New York State Museum. Fig. 43 Aeg-athoa loligineaHi (After Harger) Livoneca ovalis (Say) C y m o t h o a oralis Say, T. /. c. 1818. triloba DeKay. /. c. 1844. , , ovalis Verrill. 1874. P-572. Harger. /. c. 1880. /. c. 1901. A parasitic Isopod, with body broadlyoval and more or less distorted. Dorsalsurface moderately convex. Feet pressedckDsely to the body and concealed; thefirst three pairs pointing forward, thelast four backward. They are found clinging to the roofof the mouth or to the gills of bluefish is the usual host, but itoccurs on other forms, such as the scup. Length 15-22 mm, breadth 10-12 light with minute, short, darklines, which may be numerous enoughto give the animal a very deep Fig. 44 Livoneca ovalis 174 NEW YORK STATE MUSEUM Family SFtij5»^E: Body short and convex. Head broad and transverse. Anten- nulae and antennae multiarticulate and distinctly divided inta peduncle and flagellum. Anterior segments of pleon short with segments united. Cassidina lunifrons Richardson Cassidina Iniiifrons Richardson. Am. Nat. 1900. 34:222. U. Mns. Proc. 1901. 23:533. A small species with broad, ellipticbody. Head broader than long andset into thorax, eyes at posteriorlateral corners. Terminal segmentlarge and truncate. Inner branch ofuropoda pointed and reaching tip ofabdomen, outer branch one fourthlonger than inner. Legs short andequal. Found below high water mark inmuddy situations, clinging to theunderside of boards and covered with mud so thatits color can not be recognized. Length i mm. Color yellowish brown with many small, darkbrown and blackish spots. Taken at Bartow and at Fresh Kills, S. 1. Sphaeroma quadridentatum Say Sp
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