BAHAMA :\[EDUSiK. 9 
briiim pyriforni. Mouth a simple roimd openinjjj; no prominent lips. Ento- 
derm of manubrium and tentacle bases green in females, light brown in 
males. 
Common at Tortugas; rare in Bahamas. An identical, or very closely 
allied, form found in the Fiji Islands. 
Stomotoca australis, Mayer. 
Fig. 9, Plate I. 
Mayer, A. O., 1900; Bull. Mus. Comp. Zool. at llarvard Coll., Vol. XXXVII, p. 33, Pi. 1, 
Fig. 3. 
Bell 2.5 mm. high, with solid conical, apical projection, bell-walls thin. 
Two large diametrically opposed tentacles at bases of two of the radial canals. 
Two rudimentary tentacle-bulbs at bases of the other two radial canals. Eight 
ectodermal ocelli, four on outer sides of the tentacle bulbs and four in inter- 
mediate positions 45° from tentacle bulbs. Tentacle bulbs hollow. Velum well 
developed. Radial canals broad and smooth-edged. Manubrium urn-shaped 
with four prominent lips. Gonads in complexly folded radially situated 
regions at upper part of sides of manubrium. Manubrium and tentacle-bulbs 
greenish yellow, ectodermal core of manubrium and ocelli orange. Common 
at Tortugas, Florida; not so abundant at the Bahamas. 
Tiara superba, Mayer. 
Fig. 11, Plate II. 
Matek, a. G., 1900; Bull. Mus. Comp. Zool. at Harvard Coll. , Vol. XXXVII, p. 34. PI. 16, 
Fig. 39. 
Bell 5 mm. high ; pyriform with short apical projection, and thin walls. 
Four long, hollow, tapering, and twelve rudimentary tentacles; each with 
bright red ectodermal ocellus on outer side of tentacle-bulbs. Radial and 
circular vessels broad and smooth-edged. Velum well developed. Manu- 
brium urn-shaped, about two-thirds as long as the height of the bell-cavity, 
with complexly fluted lips. Four gonads in radially situated folded regions 
on the proximal parts of the manubrium. Four radial mesenteries bind the 
manubrium to the walls of the radial canals. Entoderm of manubrium and 
tentacles rose-pink. Core of the manubrium emerald-green. Gelatinous sub- 
stance of bell delicate pink. Common at Tortugas, Florida; found occasion- 
ally at Bahajnas, Andros Island, Tongue of the Ocean, Nassau Harbor in 
June and July, 
