ANTHOZOA OF THE WOODS HOLE REGION. 
245 
In only a few instances have representatives of the species been taken in the region. On two occa- 
sions I have taken specimens at Crab Ledge, off Chatham, Mass.; another specimen was taken by Dr. 
Sumner, late in the summer of 1907, off 
Gay Head, which was presumably of this 
species, though unfortunately was not 
preserved. 
Tlie following may be taken as fairly 
diagnostic characters: Column generally 
smooth, or with slight papillose bodies vari- 
ously disposed over the body, more par- 
ticularly on the upper portion, and in the 
specimen there was a marginal series of 
spherular bodies. Pedal disk well devel- 
oped and larger than diameter of column. 
Oral disk well defined and with darker 
radial lines extending toward the margin. 
Tentacles rather stout, fingerlike, about 50 
in number in specimens taken by me, 
arranged in some three series. 
Sphincter strongly developed, and 
almost diagrammatically comparable with 
Hertwig’s figure of this organ for the genus. 
(Cf. fig. 4.) I regret that my material was 
found badly preserved for histological de- 
tails, so that it has been found impractica- 
ble to submit figures of other internal or- 
gans. It was not difficult to determine 
the presence of numerous mesenteries, two 
siphonoglyphes, and the appropriate di- 
rectives, as shown in text figure 3. 
Reproduction : So far as known this is 
exclusively sexual. In the cases under 
observation it was found that earlier de- 
velopment takes place within the gastric 
cavity of the adult. Several young were 
brought forth during life in the aquarium 
in a stage of perfect development, and con- 
tinued to thrive for some time. 
Distribution: While rather rare within the region the cases given make certain its presence as an 
integral feature of the fauna. According to Verrill, from Nantucket Shoals to Grand Manan. 
ELOACTIS Andres, 1883 . 
Eloactis producta (Stimpson). [PI. xlii, fig. 4.] 
Fig. 3. — Tealia crassicornis. Section through two primary, and pair 
of directive mesenteries; ent^ entoderm; ec, ectoderm; rf, directive 
mesenteries. 
Actinia producta Stimpson, Proc. Soc. Nat. Hist., Boston, vol. v, p. no, 1856. 
Halcampa producta Verrill, Mem. Boston Soc. Nat. Hist., vol. i, 1862, p. 30. 
albida Verrill, ibid., p. 29. 
producta Verrill, Inv. An. Vineyard Sound, 1874, pp.330, 738. Andres, Fauna u. Flora Golfes v. Neapel, bd. 
IX, p. 106. 
Eloactis producta McMurrich, Proc. U. S. Nat. Mus., vol. xvi, 1894, pp. 141-142. 
Eloactis producta Parker, Am. Nat., vol. xxxiv, 1900. 
Andres (op. cit., p. io6) was the first to express doubt as to the exact generic relations of this 
actinian and to suggest the probable necessity of establishing a new genus. This suggestion was later 
