432 THE AMERICAN NATURALIST. [VoL. XXXIX. 
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ZYGEUPOLIA. 
Slender, 5 to 10 cm. in length; head acutely pointed ; cephalic furrows 
absent, the canal from each cerebral sense organ opening into a small 
pit on side of head; caudal cirrus conspicuous ; whitish or flesh-color, 
becoming yellowish, rosy, or pale brown in intestinal region and pure 
white on head . ‘ : Z. littoralis C. B. Thompson, S, X. 
EUBORLASIA. 
Of gigantic size for a worm, with a greater diameter than in any other 
described species of Nemertean, becoming 45 mm. wide in intestinal 
region; dark brown, perhaps with an olive tinge; head paler, with 
brown mottlings . i ; í ; E. maxima Coe, E. 
LINEUS. 
Snout and body not strikingly different in color; without distinct 
markings 2. 
Snout and body of different bot, or with distinct taani on body 3. 
Dusky or brownish green, dark brown, or reddish brown, commonly 
paler beneath ; a single row of 4 to 8 ocelli on each side of head 
L. viridis (Fabr.) Johnston, A, X, Y. 
. Yellowish, pale yellow with tinge of orange, dull orange, ochre, buff, or 
yellowish brown; margins of head pale or colorless ; with 3 to 7 irreg- 
ular red, purple, or black ocelli, of which the most anterior are largest 
avescens Coe, S. — 
. With conspicuous median dorsal stripe, but without transverse mark- 
ings. 
Deep brown or olive, with median dorsal stripe of white or lemon yellow 
extending whole length of body and widening out on head to form a 
broad white marking . : : L. albolineatus Coe, C, e 
Without conspicuous median dori stripe 
With one or more narrow transverse rings of are ler A 
Without transverse rings of paler color. Pink, rosy flesh-color, or 
pinkish red, sometimes with tinge of blue; snout white both a 
and below, sharply marked off from rosy color of body ; often with 
bluish tinge after preservation 5 L. rubescens Coe, C, S. 
. With a single narrow whitish band on dorsal side of head, connecting 
posterior ends of cephalic furrows. 
Body and head dark reddish brown or purple . L; ry Coe, A 
With numerous delicate rings of white or yellowish . 
Soft and flabby; deep brown, chestnut, or slaty, sometimes ei green- 
