WORMS 



183 



Cistenides Gouldii. 



bright colors. 



tacles sixteen inches in extent, and branched gills on 

 short pedicels on the back. They are common in inui 

 at low-water mark from Cape Cod to New Jersey. 



FAMILY AMPHICTENIDJE 

 GENUS Cistenides 



C. Gouldii constructs conical free tubes of grains of 

 sand in a single layer; body short and a little curved; 

 head obliquely flattened ; two broad groups of golden 

 bristles turned upward on each side of the anterior end ; 

 one to two inches long; color light red or flesh- 

 color, mottled with red or blue. This is a common worm, 

 and its horn-shaped tubes are so plentiful as to attract 

 attention on sandy shores. They will repay examination 

 with a glass, so beautifully are they built. The worm 

 has bunches of golden bristles arranged in two rows 

 close to the flattened anterior end, Avhich make a kind 

 of operculum to the tube. 

 This feature makes the spe- 

 cies easy to identify. The 

 worm is transparent; the 

 internal organs showing 

 through give it the various 

 It is found on sandy and 



muddy shores from New Jersey northward. 



FAMILY MALDANIDJE 



The tubes of these animals are formed 

 of sand, a short portion projecting, and 

 are very abundant in certain places. 

 There is a horny plate on the upper 

 surface of the head, and the skin on the 

 sides of the head is raised in folds. 

 There is a funnel-like process at the 

 posterior extremity; gills are lacking. 

 Some of the segments in the middle of 

 the body are longer than the rest. 



GENUS Clymenella 



C. tOrqUatM. Body long, Composed of ' Clymenella torquata. 



twenty-two segments ; the fifth segment has 



ii vi JT i i ii M_I a > head and extended proboscis, 



a collar-like fold ; the caudal extremity is front view . b< posterior end; c, eu- 



f unnel-shaped and edged with papillae 5 both tire animal, side view, natural size. 



