15. XHIPTEHTGITTM. 277 



Tripterygium molanocephalum, Cocco, Act. Acad. Genu. 1829, fasc. 1. 

 pi. 4. 



B. 5or6? D. 3 I 17 I 12. A. 24. V. 2. L. lat. 40. 



The height of the body is contained six times in the total length, 

 the length of the head four times and a half. The Avidth of the 

 interorbital space is one-half the diameter of the eye. Teeth oh 

 the vomer. The fii-st doisal commences in the vertical from the- 

 base of the ventral fins, and is not elevated ; the anterior spines of 

 the second sometimes elongate and filiform. Body with brownish 

 vertical bands ; head and the basal half of the ventrals black, some- 

 times only spotted with black. 



Mediterranean. Sea of Madeira. 



a, b. Adult and half-grown. Mediterranean. Presented by the 



Rev. W. Hannah. 



2. Tripterygium melanurum. 



Guichen. Explor, Alger. Poiss. p. 75. pi. 4. fig. 4. 



D. 3 I 17 I 12. A. 24. V. 2. 



Reddish, marbled with brown. The first dorsal black, the two 

 others with oblique red lines ; tail with a large black, yellow -edged 

 spot. {Guichen.) 



Coast of Algiers. 



3. Tripterygium varium. 



Blennius varius, (Forstea-) Bl. Schn. p. 178 ; Furst. Descript. Anim. 



cur. Lichtenst. p. 127. 

 Tripterygium varmm, Cue. 8f Veil. xi. p. 414. 



B. G. D. 5 I 24 1 14. A. 2G. V. 2. 



Transverse streaks across the opercles and breast ; body dotted 

 \vith brown ; the first dorsal with a black spot ; the second with a 

 series of white spots along the base. (Forst.) 



Coast of the Southern Island of New Zealand. 



4. Tripterygium nigiipinne. 



Tripterygion nigripinne, Ouv. Sf Vul. xi. p. 413. pi. 339. 

 capito, Jenyiis, Zool. Beayle, Fishes, p. 94. pi. 19. fig. 1. 



D. 5-6 I 18-19 j 13-14. A. 26. V. 2. 



A short denticulated tentacle above each orbit ; teeth on the vomer 

 and the palatine bones. BroAvnish. marbled with darker ; the first 

 dorsal black, the others greyish. 



Bay of Islands (New Zealand). 



rt. A great number of specimens from New Zealand. 



b. Adult. New Zealand. Presented by Dr. A. Sinclair. — This speci- 



men differs from the others in having the dorsal fin lower, and 

 formed by five spines. It agrees perfectly, however, in all 

 other points with the other specimens, and is certainly only an 

 individual varictv. 



