28-108 mm.; 97.50, B6203, (7) 32-97 mm.; 97.65, C6303, 

 (2) 46 mm.; 100.40, H6204, (12) 48-97 mm.; 100.60, 

 H6204, (6) 28-110 mm.; 100.65, C6303, (47) 27.5-99.5 

 mm.; 100.90, H6204, (1) 107 mm.; 100.100, H6204, (1) 

 24.5 mm. ; 100.120, H6204; (1) 84 mm. ; 108.63, C6303, (15) 

 28-99 mm.; 110.35, H6204, (1) 30 mm. ; 110.40, H6204, (3) 

 88-105 mm. ; 110.50, B6203, (2) 46-90 mm. ; 120.45, H6204, 

 (2) 35-115 mm.; 123.50, B6203, (1) 27 mm.; 137.50, 

 B6203, (2) 43 mm. 



91. Lampanyctus regalis (Gilbert). 



Figure 23A. 

 60.60, H6204, (3) 57-76 mm.; 60.80, C6208, (1) 64 mm.; 

 60.90, H6204, (2) 50-58 mm.; 60.100, H6204, (1) 36 mm.: 

 60.120, B6203, (1) 38 mm.; 60.180, H6204, (2) 24-25 mm.; 

 70.200, H6204, (1) 4.5 mm. ; 80.55, H6204, (3) 41-53 mm. ; 

 80.60, B6203, (1) 40 mm.; 80.60, H6204, (2) 42-44 mm.; 

 80.75, B6303, (2) 27.5-39.5 mm. ; 83.69, C6303, (1) 36 mm. ; 

 83.77, C6303, (1) 39 mm. ; 84.67, C6203, (1) 43 mm. ; 87.200, 

 B6203, (2) 34-35 mm.; 90.32, H6204, (1) 43 mm.; 90.45a, 

 H6105, (2) 48-52 mm.; 90.60, H6203, (1) 35 mm.; 90.160, 

 H6204, (3) 38-49 mm.; 97.50, B6203, (2) 44 mm.; 100.65, 

 C6303, (2) 36-48 mm.; 100.120, H6204, (1) 39 mm. 



92. Lampanyctus idostigma Parr. 



Figure 23A. 

 120.80, H6204, (1) 44 mm. ; 120.90, H6204, (3) 30-59 mm. 



93. Lampanyctus niger Giinther. 



Figure 22D. 

 73.200, B6203, (1) 36 mm.; 80.200, C6208, (1) 42 mm.; 

 86.92, C6303, (7) 51-88 mm.; 100.65, C6303, (1) 62 mm.; 

 100.140. H6204, (2) 111 mm. 



94. Lampanyctus niger Giinther ? 



60.180, H6204, (1) 64 mm. ; 87.80, C6303, (2) 72-89 mm. ; 

 100.100, H6204, (1) 44.5 mm. ; 100.160, H6204, (1) 102 mm. 



These damaged specimens appear to represent 

 this species, but their identity is uncertain. 



95. Lampanyctus steiribecki Bolin. 



Figure 23B. 



60.140, H6204, (1) 54 mm.; 60.160, H6204, (1) 77 mm.; 

 60.1S0, H6204, (3) 37.5-47.5 mm.; 60.200a, B6203, (2) 

 39 mm.;60.200, H6204, (3) 28-112 mm.; 70.200, H6204, 

 (7) 26-53 mm.; 73.200, B6203, (6) 25-42 mm.; 80.200, 

 C6208, (1) 40 mm.; 83.77, C6303, (1) 30.5 mm.; 87.80. 

 C6303, (1) 35.2mm.; 90.160, H6204, (1) 43.5 mm.; 90.160. 

 C6208, (2) 35-41 mm. ; 90.180, B6203, (1) 39 mm. ; 90.180, 

 H6204, (12) 35-47 mm.; 90.200, H6204, (3) 28-33 mm.; 

 100.140, H6204, (3) 25-37 mm.; 110.160, H6204, (6) 

 23-51 mm. 



96. Latm.panyctus tenui formes (Brauer). 



Figure 23B. 

 83.77, C6303, (1) 38 mm. ; 100.65, C6303, (2) 34-35 mm. 



97. Lampanyctus parvicauda Parr. 



Figure 23B. 

 137.50, B6203, (1) 60 mm. 



This species was distinguished from the closely 

 related L. omostigma Gilbert by Wisner (1963: 

 16-23.) 



98. Lampanyctus sp. (no pectorals). 



Figure 23B. 



60.180, H6204, (1) 63 mm.; 60.200, B6203, (3) 30-65 

 mm.; 60.200, H6204, (3) 56-60 mm.; 70.200, H6204, (2) 

 23-39 mm.; 73.200, B6203, (3) 57-66 mm.; 80.80, H6204, 

 (1) 61 mm. ; 80.100, B6203, (1) 62 mm. ; 80.200, C6208, (4) 

 31.5-62 mm. ; 83.77, C6303, (1) 32 mm. ; 86.92, C6303, (10) 

 47.5-60 mm.; 87.80, C6303, (1) damaged adult; 90.32, 

 H6204, (1) 46 mm.; 90.48a, H6105, (1) 30 mm.; 90.70, 

 C6208, (1) 48 mm.; 90.160, H6204, (4) 26-64 mm.; 90.160, 

 C6208, (12) 45-58 mm.; 90.180, H6204, (10) 27-68 mm.; 

 90.200, H6204, (2) 59-63 mm.; 100.60, H6204, (2) 25-32 

 mm.; 100.90, H6204, (1) 35 mm.; 100.120, H6204, (1) 55 

 mm.; 100.140, H6204, (7) 25.5-59 mm.; 100.160, H6204, 

 (4) 49-60 mm. ; 110.120. H6204, (1) 50 mm. ; 120.90, H6204, 

 (1) 47 mm. 



These specimens probably represent an unde- 

 scribed species. None of them possesses visible 

 pectoral fins, and cleared and stained specimens 

 have no pectoral fin ray bases or actinosts and 

 fewer vertebrae than are usually found in the 

 genus Lampanyctus. Pattern and numbers of 

 photophores also reveal certain differences between 

 this form and other members of the genus. They 

 are specifically distinct from the pectoral-less Lam- 

 panyctus achirus described as a new species by 

 Andriashev (1962:257-259). 



99. Lampanyctus sp. 



110.160, H6204, (1) 22 mm. 



This single specimen, from about 800 km. (500 

 miles) westward of Punta Eugenia, Baja Califor- 

 nia, probably represents an undescribed species 

 (R.L. Wisner, personal comunication). 



100. Lampanyctus spp., unidentified. 



60.100, H6204, (1) head only; 84.68, C6303, (1) juve- 

 nile; 84.92, B6303, (2) juvenile and adult; 90.70, H6204, 

 (3) 52-90 mm. ; 90.160, H6204, (1) 20 mm. ; 90.190, C6208, 

 (1) 40 mm. ; 90.200, H6204. (2) larva and juvenile; 100.50, 

 H6204, (1) 67 mm.; 100.160, H6204, (3) juveniles; 110.35, 

 H6204, (1) 37 mm.; 110.140, H6204, (5) juveniles; 137.50, 

 B6203, (4) 30-35 mm. 



These specimens probably represent several 

 species, but they are either too damaged or too 

 immature to allow specific identification without 

 adequate comparative material. 



662 



U.S. FISH AND WILDLIFE SERVICE 



