366 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



This species is rather common in the markets of Havana, where sev- 

 eral specimens were obtained, none of them very large. 



This is probably the species to which Professor Poey has given the 

 name of interstitialis, although our specimens do not altogether agree 

 with his descriptions. 



We have ventured to refer Poey's chlorostomtis to the synonymy of 

 interstitialis, the principal distinctive character given (" spots rounded, 

 smaller, and wider apart ") being one of little importance. 



Nothing is known of the distribution of this species outside of the 

 waters of Cuba. 



5. Mycteroperca calliura. 



Mycteroperca caUiura, Poey, Repertorio, 1867, i, 181, 309 (Cuba). 



Hist. N. Y., ix, 307, 1869; Poey, Enum. Pise. Cubens., 14, 1875. 

 Trisotropis ealliurus, Poey, Syn. Pis. Cabens., 284, 1868; Poey, Ann. Lye. Nat. 



Habitat. — Cuba. 



This species is known to us only from the accounts of Professor 

 Poey. The original type is a stuffed skin of a young specimen now 

 preserved in the University of Havana. 



If Poey's description is correct, the species would appear to be well 

 distinguished from its relatives, although it resembles microlepis and 

 interstitialis. 



The following is the substance of the original description of this 

 species : 



Individual described 500 millimeters long. The height is contained 

 3f times in the total length from tip of mandible to tips of caudal ; the 

 head measured in the same way to the membranous tip of the opercle 

 enters 3f times in the same length. The eye is moderately high, its di- 

 ameter 6 in head from tip of upper jaw, or If in length of snout. At a 

 distance of f of a diameter from the eye the nostrils are placed. These 

 form a broad aperture divided by a vertical membrane, the anterior 

 part smaller, communicating with the posterior, which contains the two 

 olfactory openings, one above the other; the ui)per in a concavity, the 

 lower in a prominence. 



The maxillary extends to the vertical from ihe middle of the eye; 

 measured with the comjiass it reaches the posterior part of the orbit; 

 the lower jaw projects much beyond the upper. The outer teeth are 

 conic, well separated, with one or two canines in front on each side, 

 moderately large; below a small canine on each side; within are the 

 smaller teeth arranged as usual in this genus. 



The preopercle has the ascending branch curved, very finely denti- 

 culated, forming a reentrant angle before coming outward in a pro- 

 nounced salient angle with strong denticulations. The opercle has the 

 median spine large, the others very small. 



D. XI, 17; A III, 11; P. 17. Scales, 25-130-40 to 50. 



The dorsal is lower than the anal ; the 5th and 6th rays from the last 

 are the highest. The first dorsal spine is nearly half the second, which 



