1-18 BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



EXOCORALLANA ANTILLENSIS (Hansen). 



Coral/ana aiiti/leiisis Hansen, Videnyk. Selsk. Skr. (Gj, V, 1890, pp. 383-384, pi. 

 VII, %s. 4-4i.— Richardson, Pruc. U. S. Nat. Mus., XXIII, 1901, p. 519. 



Zoealities. — Ke}^ West, Florida; St. Thomas, West Indies. 



On reefs, low tide. 



Bod}" oblouo--ovate, a little more than three times longer than wide, 

 5 mm.: 10 mm. 



Head wider than long-, 2 mm.: 4 mm., with the anterior margin 

 Insinuate on either side of a small median point. The e^^es are large 



¥Ui. 131.— EXOCORALLANA ANTILLENSIS (AFTER HANSEN). ((, HEAD OF ADULT MALE. < 11 (FROM 



AB(iVE). h, Left maxilliped of same. ,% 24. c, Left mandible, palp omitted (ventral side). 

 X 24. d, Left maxilla (second pair), x 24. c, Left mandible (basal part omitted), x 24 



(FROM ABOVE). /, DiSTAL PART OF LEFT MAXILLA OF SECOND PAIR (VENTRAL SIDE). X 59. (J, DiSTAL 

 FART OF same (from above), /i, AbDOMEN. X 6. t, HEAD (VENTRAL SIDE). X 11. J, ADULT MALE 

 (LATERAL VIEW). X Y- 



and composite, but are not contiguous, being separated liv a distance 

 e([ual to half the length of one eye. The basal article of the antenna^ 

 is very nuich dilated and ver^" large; the second article is fused with 

 the tirst; the third article is small and narrow, half as long as the first 

 and about one-third as wide. The flagellum is composed of ten arti- 

 cles. The tirst antemue extend to the middle of the fifth article of the 

 peduncle of the second antenniw The second pair of antenna^ have the 

 tirst two articles short and subequal; the third article is ecfual in length 



