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BULLETIN OF THE BUREAU OF FISHERIES. 
culoides, but in some way it was lost before any decisive identification was made, and hence the matter 
must remain somewhat doubtful. During the present summer (1909) I took a single specimen at South 
Harpswell, Me., of exactly the same general characters, and conforming so far as distinguishable with 
the descriptions of Stimpson and Verrill. When first dug out of the sand the specimen was about 50 to 
60 mm. in length, of whitish or pale flesh color. After it was placed in the collecting pail along with a 
few other objects it became greatly contracted and remained in that condition for more than a week in 
the laboratory, though every means available to induce it to expand was tried. Finally, before leaving 
it was killed and preserved, and later carefully sectioned in the hope of finding conclusive evidence as 
to its specific relations. Unfortrmately the state of contraction had been so great that the killing proved 
to have been unsatisfactorily done, and while the main generic features were easily distinguishable it 
was not practicable to certainly determine the number of tentacles and other specific characters. So 
far as known only one other species could be possibly confused with it, namely, E. farinacea, and it 
seemed not to have been this. I am strongly convinced that the specimen was E. sipunculoides, and 
that, moreover, the one taken at Woods Hole previously was also this species. Hence it seems altogether 
proper to include the species as coming within the region. 
I much regret that I am not able to present good anatomical descriptions of the species. However, 
the earlier description of Verrill (vide supra) renders this lack less serious. 
Edwardsia lineata Verrill. 
Edwardsialineaia Verrill, Inv. An. Vineyard Sound, p. 739, 1874; Andres, Faunau. Flora v. GoIf.Neapcl,bd. ix; Parker, 
Am. Nat., vol. xxxiv, 1900, p. 750. 
“Body cylindrical, elongate, covered with dirty brownish, slightly wrinkled epidermis, except 
just below tentacles, where it is smooth, translucent, and usually with eight longitudinal, flake-white 
lines showing through. Tentacles 24 to 30, or more in large specimens; slender, tapering, obtuse, white 
or pale flesh color, each with a flake-white longitudinal line along inner side. Disk with white circle 
around the mouth, and often with eight or more radiating white lines extending to the base of inner 
tentacles; border of mouth somewhat pale red; naked part of column pale flesh color, often with circle 
of white below bases of tentacles. Length 25 to 30 mm., diameter 2.5 to 3 mm. Species remarkable in 
lacking any naked basal portion, or any true disk for attachment. This may be due to the peculiar 
habit of nestling in crevices between rocks, worm tubes, etc. Off Gay Head, 6 to 12 fathoms, among 
ascidians and annelid tubes, etc. Abundant.” 
I have not seen this species, and the above description has been compiled from that of Verrill. 
Having been on constant lookout for the species for several years, it seems rather strange not to have 
obtained a single record of its occurrence. 
Edwardsia leidyi Verrill. 
Edwardsia leidyi Verrill, Am Jour. Sci., ser. 4, vol. Vi, p. 493; Parker, Am. Nat., vol. xxxiv, 1900, p. 750. 
This remarkable Edwardsian was first noted by A. Agassiz as a parasite in Mnemiopsis leidyi and 
taken to be a leechlike worm. (Cf. Catalogue of North American Acalephae, p. 23.) It was later 
observed by Verrill. (Invertebrate animals of Vineyard Sound, p. 457.) Its true character seems first 
to have been recognized by Mark. (Memoirsof Museum Comparative Zoology, vol. ix, p. 43.) Mark also 
pointed out the fact that this stage was a larval one, and that during this period it was a true parasite 
within the ctenophore. Following the development so far as conditions made it possible, he suggested 
that the larva might not improbably be a stage in the life history of Edwardsia lineata. To the present 
writer it seems rather more probably related to E. elegans. As evidence of this may be noted the number 
of tentacles in Mark’s oldest specimen, namely, 16, while in E. lineata the number is from 24 to 30, or 
more. Again the aspect of the tentacles is very much like that of E. elegans. 
It is much to be regretted that as yet we are without a final account of the life history, no later observer 
having been able to carry the record beyond that at which it was left by Mark. The present writer has 
sought to discover some clue to the later stages, but without success. The occurrence of the larvae is 
most erratic. During some seasons it abounds to such extent that hardly a specimen of Mnemiopsis can 
