556 NEW FISHES FROM PACIFIC COAST GILBERT. 



like. Maxillary Dot reaching vertical from middle of pn[)il, half length 

 of head. Interorbital width less than half diameter of j^upil. Opercle 

 short, its length being 1 ss than the diameter of the eye. 



Pectorals nearly as long as head, a trifle more than length of ven- 

 frals, which scarcely reach vent. Caudal much longer than head in 

 adults, 7 or 8 scales before dorsal. 



Numerous specimens from the northern part of the Gulf of California, 

 at Stations 3031 and 3035, in 30 and 33 fathoms. 



This species may vary into the typical chlamydes, but the material 

 before us does not justify us in so identifying it. 



21. Bollmania macropoma sp. nov. 



This species, represented by numerous specimens, is characterized 

 by its slender form, low tins, large opercle, and comparatively plain 

 coloration. 



The depth is one-fifth the length ; the caudal peduncle is correspond- 

 ingly slender, its least height equaling the diameter of the eye. The 

 head is very large and heavy, contained 3 to 3^ times in the length. 

 The opercle is conspicuously larger than in oceUata, agreeing in this 

 respect more nearly with chlamydes. Dentition as in other species of 

 the genus. Eye large, 3^ to 3j^- in the head. 



Dorsal spines slender, comparatively little produced, the longest! 

 usually not reaching the base of the first ray of second dorsal, and never] 

 beyond the base of the second or third ray. 



Soft dorsal and anal low, the posterior rays usually not reaching the] 

 rudimentary caudal rays when dej^ressed, about half length of head. 



Pectoral long, extending beyond front of anal ; the ventrals to orj 

 nearly to vent. Middle caudal rays produced as usual, varying in| 

 length. 



Color in spirits : Light brownish, the sides with three vertical dusky 

 bars. Spinous dorsal dusky, bat witliout distinct black spot. Caudal 

 slightly dusky, with rather large elliptical light spots, as in chlamydes, 

 the lower rays not black and no black spot at its base. Ventrals 

 blackish, including anterior membrane. Second dorsal and anal dusky, 

 without evident light spots. Branchiostegal membranes sometimes 

 slightly dusky, but not black. 



Scales as in chlamydes; 28 vertical rows along sides, 8 to 10 in front 

 of dorsal. 



Many specimens from the Gulf of California just north of La Paz 

 Bay, at Station 2990, in 112 fathoms. 



22. Bollmannia stigmatiira .sp. uov. 



This species agrees with macropoma in its elongate form, coinpara- 

 tively low fins, and in the absence of a black spot on the spinous dorsal. 

 It differs conspicuously in the very short head and nariow opercle and 

 in the presence of a black spot at base of tail. The eye is also larger 



