240 nCRMA, ITS PEOPLE AXD PRODUCTIOXS. 



floating ' jolly ' fish, bciieiith wlioso umbrella tlicy habitually reside. This fact was 

 first witnessed by myself in Mergui harbour, where, having transfixed a jelly fish 

 floating past the boat with a small sjilinter of bamboo, I found to my suiiirise I had 

 at tlie same time hariiooned and lande<l a small fish. That tliese fish resort to the 

 shelter of the disk of the Acaleph voluntarily is certain, emerging as they do from its 

 shelter, and reseeking it, but the particular benefit they derive is not known. 

 A. ptrciila is known to the Andamanese, says Day, by the name of ' TurtUs stomach 

 fsh,' the Actiniae in which it shelters being so called. 



A. EPnippiusr, Bloch. 



B. v.; D. n-ii; P. 19; V. i; A. tt"tt; C. 15. 



Dark yellow, a dark blotch on the side. Ventral bi'own-edged. 

 The Andamans. 



A. FRENATrs, Brevoort. 



B. V. ; D. fg-H ; P. 19 ; V. Jr ; A. t. =tt ; C. 15. 



Brownish oi'ange, lighter below. A blackish blotch descends from the last five 

 dorsal spines and first rays to the middle of the sides. A pearl-coloured or bluish 

 band crosses the opercles from the nape. Ventrals externally blackish. 



The Andamans, perliaps a variety of the last. 



A. Sebje, Bleeker. 



B. v.; D. 1^+5 ; P. 20; V. i; A. t^t^^; C. 15. 



Brownish black, with two milk-white cross-bands, the first from the nape to the 

 subopercle, over the orbit, and the second from the lust 3 dorsal spines and first 4 

 rays to a little in front of the vent. 



The Andamans. 



A. PEECTJLA, Lacep. 

 Ea-olc-jo-do-dah. Andamans. 



B. T. ; D. ii-li ; P. 17 ; Y. ^ ; A. tt'^t- ; C. 15. 



Bright yellow, with 3 broad milk-white bands black-edged. The first is anteriorly 

 concave (I follow the figure Ixxx. f. 4, but Day's description says convex) ; the second 

 from the midiUe of the dorsal to the vent ; and the last over the free portion of 

 the tail. 



The Andamans. 



A. BIF,\SCIATUS, Bloch. 



B. v.; D. -nPr^; P- 15; V. i; A. t-"^^; C. 17. 



Brownish black, with 2 milU-white cross-bands ; the anterior passes from the 

 nape, over the opercles, just touching the hind edge of orbit ; the second, from the 

 last 3 dorsal spines and first rays, to the centre of the body, and backward to the 

 summit of all the dorsal rays. Caudal black, edged with white. 



The Andamans. 



A. AKALLonsrs, Bleeker. 



B. V. ; D. -f^A ; P. 19 ; V. i ; A. -nr-n ; C. 15. 



Orange, brightest on the head, chest, and base of tail. A blue band from between 

 the orbits to the dorsal fin, where it bifurcates on cither side of that fin. Scales on 

 body light-spotted. 



The Andamans. 



TETRADHACnjIDM, Cmifof. 



Teeth villiform, in a narrow band. Air-vessel large. 



T. MAHGIKATUM, Eiipp. 



B. V. ; D. T^\-^; P. 17 ; V. i ; A. tv"t^ : C. 17. 



Bluish. A dark band below and in front of the first 2 dorsal spines, through the 



