A. HE. Verriti—Marine Fauna of North America. 875 
covered everywhere with small crowded capitate tentacles, with 
short pedicels; tip obtuse; blastostyles numerous, clustere 
about the base, large, elongated, cylindrical, obtuse or tapered 
at the tip, the sides covered with many very small, short, 
obtuse or capitate papille (? undeveloped gonophores), and 
bearing, among them, the few rounded, more or less irregular 
gonophores. Basal tentacles slender, slightly capitate, not so 
long as the blastostyles, and not in a regular circle. 
Color light rosy red; the tentacles and gonophores whitish. 
Length, 24™"; diameter, 10™; length of tentaculiferous por- 
tion, 18"; its diameter, 3°5™™. 
Gloucester, Mass., outer harbor, attached to Ptilota serrata, in 
seven fathoms, sandy bottom. A specimen, apparently the 
young of,this species, was taken by us at Hastport, Me., in 
1872, in about twenty fathoms. 
Dicoryne flecuosa G. O. Sars. 
Numerous specimens of this interesting hydroid were dredged 
both this year and last, in many localities, in the Gulf of Maine 
and off Nova Scotia, in 50 to 125 fathoms. It grows usually 
upon the shells of living Neptunea Stimpson and N. decemcos- 
lata, sometimes also on shells inhabited by Hupagurt. Often 
associated with Hudendrium rameum. 
ANTHOZOA. 
Pennatula borealis Sars. 
Pennatula grandis Ehrenberg (non Pallas). 
fathoms, was presented by Capt. J. W. Collins, of the schooner 
“Marion.” It was previously known only from northern 
Scandinavia. Its height, preserved in alcohol, is 20°5 inches; 
length of peduncle to first alee, 5°75; diameter of peduncle, in 
middle, 5; of swollen portion, 1:10; of rachis, ‘70; breadth 
across largest alse, 5; length of largest ale, 2°25; breadth, -75; 
length along dorsal edge, 1-90; distance between ale, ‘30 to ‘50. 
le 36 on one side, long, subtriangular, with the polyps in 
groups on the dorsal edge, forming two to four rows; polyp- 
cells large and prominent, with eight sharp, spiculose, projecting 
points. Middle of ventral surface naked, smooth, bordered on 
each side with a band of rudimentary zodids. Color, bright 
dark red, polyps paler. 
