REPORT ON THE ASTEROIDEA. 



403 



Chorological Synopsis of the Species herein mentioned. 



1. Ophidiaster attenuatus, Gray. 



Ophidiaster (Hacelia) attenuatus, Gray, 1840, Ann. and Mag. Nat. Hist., vol. vi. p. 284. 

 Asterias coriacea, Grube, 1840, Actin. Echin. u. Wiirm. d. Adriat. u. Mittelmeers, p. 22. 

 Ophidiaster attenuatus, Miiller and Troschel, 1842, System der Asteriden, p. 29. 



Locality. — Station 75. Between the Islands of Fayal and San Jorge, Azores. July 

 2, 1873. Lat. 38° 38' 0" N., long. 28° 28' 30" W. Depth 450 fathoms. Volcanic mud. 

 Surface temperature 70° "0 Fahr. 



2. Ophidiaster ophidianus (Lamarck), Agassiz. 



Asterias cphidiana, Lamarck, 1816, Hist. nat. anim. s. vert., t. ii. p. 567. 

 Ophidiaster ophidianus, Agassiz, 1835, Mem. Soc. Sci. Nat. Neuchatel, t. i. p. 191. 

 Ophidiaster aurantius, Gray, 1840, Ann. and Mag. Nat. Hist., vol. vi. p. 284. 



Locality. — Station 75. Between the Islands of Fayal and San Jorge, Azores. July 

 2, 1873. Lat. 38° 38' 0" N., long. 28° 28' 30" W. Depth 450 fathoms. Volcanic mud. 

 Surface temperature 70°'0 Fahr. 



Remarks. — I have referred with doubt to this species a single small example which 

 measures R= 13"5 mm. The specimen is almost too small for accurate determination, but 

 the form of the rays and the general character seem to me to be those of the species in 

 question. 



3. Ophidiaster cylindricus (Lamarck), Miiller and Troschel. 



Asterias cylindrica (pars), Lamarck, 1816, Hist. nat. anim. s. vert., t. ii. p. 567. 



Ophidiaster cytindricus, Miiller aDd Troschel, 1840 (April), Monatsber. d. k. preuss. Akad. d. Wiss. 



Berlin, p. 103; System der Asteriden, p. 29. 

 Dactylosaster cylindricus, Gray, 1840 (December), Ana and Mag. Nat. Hist, vol. vi. p. 283. 

 Linclcia cylindrica, v. Martens, 1866, Archiv f. Naturgesch., Jahrg. xxxii., Ed. i. p. 85. 

 Ophidiaster asperulus, Liitken, 1871, Videnskab. Medd. naturh. Foren. i Kj0benhavn, p. 274, 



tab. v. fig. 4. 



Locality. — Kandavu, Fiji Islands. On the reefs. 



