RESEARCHES IN HELMINTHOLOGY AND PARASITOLOGY 83 



is most like the Glycera capitata Oersted, but nevertheless is a different 

 species. 



Nereis Denticiilata, Stimpson. Abundant at Point Judith, R. I., 

 and on the shores of Great Egg Harbor, N. J. 



Siphonostomtm Af/ine, Leidy. Body cylindro-fusiform minutely 

 papillated, with four rows of fasciculi of setae, those of the anterior 

 three segments directed forward, those of the first segment one- 

 third of an inch long, those of the third segment one line long. 

 Length to three inches, by two lines broad, with 80 segments. 

 Obtained by Mr. Ashmead, from Beesleys Point, N. J. 



Lepidonote Annadillo, Leidy. {^Aphrodita armadillo Yiosc. Lepido- 

 note pu7ictata Oersted, Stimpson. Polynce squamata, M. Ed. Gould) ? 

 (PI. XI, fig. 54.) Body of twenty-four segments, with twelve pairs 

 of elytrse completely covering the back. Elytrae fringed externally 

 spotted with variously colored papillae. Head round with two pairs 

 of eyes, three anterior tentaculae and three lateral tentaculae ; the 

 middle of the anterior and the first of the lateral tentaculae the long- 

 est, the former with two eye-like black spots, the latter with none. 

 All the others with a single black eye-like dilatation or spot. Dorsal 

 and anal cirri with black eye-like dilated spots. Length an inch 

 and a quarter, by three lines wide. Point Judith and Great Egg 

 Harbor. 



The Lepidonote squamata is described as having five tentaculae ; in 

 A, armadillo I in no case could find less than nine, as represented by 

 figure 54. 



Sigaiwn Mathildcr \x\6.^\., Edw. (PI. XI, fig. 53.) Body com- 

 posed of over 200 segments with over 150 pairs of elytrae completely 

 covering the back. Head with five antennae, of which the outer 

 ones are the longest and most robust. The middle one is next in 

 length, and the second is the shortest. Eyes four, those anterior 

 nearly concealed by the bases of the second antennae. Setae of the 

 dorsal pinnae simple, those of the ventral pinnae compound. Length 

 over five inches, by two and a half lines in breadth. Described from 

 a specimen, with the posterior extremity lost. Obtained by Mr. 

 Ashmead at Beesleys Point, N. J. 



Ophelia Simplex, Leidy. Body fusiform, above convex, below 

 flattened, anteriorly and posteriorly acute, reddish brown. Mouth 

 inferior, round ; cirri commencing at the third and ceasing about the 

 twentieth segment. Setae in two lateral approximated fasciculi, 

 simple linear. Length two-thirds of an inch, with about 30 setiger- 

 ous segments. Taken from below low tide at Point Judith. 



