A. JE. Verrill — Marine Nemerteans of New England, etc.. 4.11 



conical with an oblique lateral cephalic slit on each side ; mouth 

 small, opposite the posterior ends of the slits. No ocelli. 



Color nearly uniform deep flesh-color. The salmon-colored ovaries 

 show through slightly, especially posteriorly, as transverse spots. 



Length about 25""°; diameter 2-5"""'. 



Bay of Fundy, off Head Harboi", Campo Bello Island, 40 fathoms, 

 mud, Aug. 2Y, 1870. (Catal. No. 117). 



Micrura albida Verriii. 



Micrura albida Verrill, Notice of Recent A-ddit. to Mar. Invert., Part I. in Proc. 

 National Mns., ii, p. 186, 1879. 



Body slender, thickest and nearly round anteriorly, gradually 

 tapered and somewhat flattened posteriorly, with a small, slender 

 caudal papilla. Head flattened, narrow, obtuse, narroM'er than tlie 

 body. No ocelli. Lateral fossoe rather short, extending beyond the 

 mouth, not conspicuous. Color whitish, or pale yellowish, often be- 

 coming light red toward the head ; posteriorly often with grayish or 

 clay-colored internal mottlings along the sides, due to the repro- 

 ductive organs. Very sluggish in its motions. 



Two specimens from 140 fathoms, ofi^ Cape Ann, apparently of 

 the same species, were milk white above, with fine specks of opaque 

 white, the ganglions showing as red spots ; they had a narrow l>ut 

 distinct ring of blue around the body, behind the head. 



Length, 50 to 125"""; diameter 2-5 to 3""". 



Common in the Gulf of Maine and Massachusetts Bay, on muddy 

 bottoms, in from 30 to 140 fathoms. 



It is sluggish in its movements and constructs translucent tubes of 

 tough inucus, 



Micrura inornata Veniii. 



Micrura inornafM Verrill, Notice of Recent Addit. to Mar. Invert., Part i, iu 

 Proc. National Mns., ii, p. 18G, 1879. 



PLATE XXXVII, FIGURE 7. 



Body subterete, moderately elongated, thickest anteriorly or in 

 the middhi, gradually tapered to the somewhat flattened tail ; cau- 

 dal filament white, very slender and acute, sometimes as long as the 

 diameter of the body, but usually less. Head obtuse, often as wide 

 as the body or wider, somewhat flattened. Lateral fossae long, deep, 

 curve<l, extending to opposite the mouth, the latter not being very 

 far back. No ocelli. Color above, l)right cherry-red, varying to 

 dark red, the middle of the head l)rightest ; tail pale. 



