188 PROCEEDINGS OF THE NATIONAL MUSEUM. tol. 42. 



Family EXOCORALLANID^. 



EXOCORALLANA QUADRICORNIS (Hansen). 



Corallana quadricomis Hansen, Vidensk. Selsk. Skr. (6), vol. 5, 1890, p. 382, pi. 

 7, fig. 3. 



Locality. — Bogue Islands, Montego Bay. Two specimens. Com- 

 mensal in black ascidian on mangrove roots. The color is gray- 

 white with a pattern of light-brown stripes and spots. (Collected by 

 C. B. Wilson.) 



Also about 25 specimens, found living in burrows in a bright red 

 sponge on mangrove roots. These have the horns on the head very 

 large. The color is white with a light-brown pattern over the dorsal 

 surface, just as in the preserved specimens (collected by C. B. Wil- 

 son); three specimens were taken from a red sponge on mangrove 

 roots. (Collected by E. A. Andrews.) 



EXOCORALLANA TRICORNIS (Hansen). 



Corallana tricornis Hansen, Vidensk. Selsk. Skr. (6), vol. 5, 1890, pp. 379-381, 

 pi. 6, figs. 4-Ap; pi. 7, figs. 1-lc?.— Moore, Bull. U. S. Fish Comm., vol. 20, 

 pt. 2, 1900, p. 169, pi. 9, figs. 2-5. 



Localities. — Montego Bay and White Rock. 



Of the specimens from Montego Bay, there was 1 specimen, parasitic 

 on hog-fish, Laclmolaimus jnaxiinus; about 10 specimens, parasitic on 

 yellow-tail (Ocyurus clirysurus) ; about 10 specimens, parasitic on green 

 parrot-fish (Sparisoma viride) — these have the horns on the head small; 

 8 specimens, parasitic on red snapper (Neomsenis aya). The color is 

 snow-white, the dorsal sm'face with spots and lines of dark blue-black; 

 eyes brown; egg masses brown at first, later changing to dark blue- 

 black. About 23 specimens, parasitic on yellow-jack (Caranx crysos) ; 

 about 75 specimens, parasitic in mouth of yellow-jack {Caranx crysos) ; 

 about 50 specimens, parasitic in eye sockets and mouth of rock-fish 

 {Mycteroperca howersi). The color is white with an open pattern of 

 light brown over the dorsal surface, thinning to separate spots along 

 the lateral margins ; the egg mass is at fu'st pale yellow-brown, deepen- 

 ing with development until it becomes almost jet-black; the eyes are 

 dark brown. One specimen, parasitic in the gill cavity of the red snap- 

 per {Neomsenis aya) ; about 30 specimens, parasitic in mouth of a 20- 

 pound red snapper {Neomsenis aya). The horns on the head are very 

 small. The color is whitish, the cartilage gray, with the dorsal pattern 

 in light cinnamon-brown; the eggs are light brown; the eyes are dark 

 brownish-black. Three specimens, parasitic on the green parrot-fish 

 {SpaAsoma viride) ; 4 specimens, parasitic on French grunt {Hsemulon 

 Jlavolineatum) ; 1 specimen, parasitic on gills of jack {Caranx hippos) ; 

 1 specimen, parasitic on barracuda (S'pj^z/raswa barracuda) ; 8 specimens, 

 from eye sockets and mouth of the large blue parrot-fish {Scarus caeru- 

 leus) . The color of large females nvith eggs is wlnte, with a row of star- 

 shaped brown spots across the center of each thoracic segment on the 

 dorsal surface, the abdomen with a wash of faint brown over the entire 



