6 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 120 
Copulatory organ (fig. 37): Long, slender, divided into three lobes, 
each hirsute with two annulate bristles; one lobe with large curved 
tooth. 
Furca (figs. 3f-h): Each lamella with 12 to 14 (usually 13) claws 
consisting of 5 primary and 7 to 9 secondary claws; primary claws 
numbers 1 and 2 followed by 3 to 5 (usually 4) secondary claws, 
1 primary claw, 3 to 5 (usually 4) secondary claws, and finally 2 small 
primary claws; medial and lateral rows of teeth on first 3 primary 
claws; lateral sides of proximal 2 primary claws each with comb of 
TABLE 1.—Distribution of primary (P) and secondary (S) claws on furcal lamellae 
Claw 
Specimen 1 2 Shs Ole 7 8 9 10 il 12 13 14 Total 
686Z-A Left ) SANS caeiaels lumi ey < ede belie cae ks ts IMS Wado ial hE) ie 13 
Right|-P PS VS S'Se HPS: OSS aks aie 13 
686Z-12 Left PIP cisiaS Shas Sea Sot Si es h. sonet cme 13 
686Z-13 Left Pe Pe 4 Sees ib HO Seo Ste ene ees 13 
Right PB. (SS S28 WS. PEE es b4 8. Jo ee ees 14 
686Z-14 Left Po oP SS: Se 8 ee 88) Loon) ene 12 
Right.|- bP. SoS sR SS ao eee 12 
686Z-4 ? PoP SVs 48S. Pawo SS) SiS Site eae 14 
686Z-B_ Left PunPor S838) SRS) Seis) sseiee eee 13 
Right. Ps cP Sco. JSsdP)) | Sip Ba tS Stee 13 
686Z-R_ Left PP S'S. 8) S.P S18. 1S) oS) bare 13 
Right |) PPS 7S) S87 PS Se a eee 13 
686Z-J Left PoP 8:48 Ss" 32 nS: iS. eS Sr ieee 13 
Right | Pe cP TS 8s SebsP) 48 °Sh US So we Eeaee 13 
686Z-H Left Py SP af8i88 oSei8: 42 w8e us) Sako eee 13 
RightuleP ae Es) ASA Sis So eeek Sak pone 13 
686Z-K Left Po iP? TS. 8 8: (8 Pes) SS) Specs 13 
Right. Pi PS" S*Si 8 8) SiS) aoe eee 14 
686Z-L Left PP LS" Ss 8 PS) sy 48) AS eka 13 
Right (oP. Poi Sh SSS oP SS ES Ss) a eee 13 
short spines extending obliquely onto lamella; secondary claws with 
spines along anterior and posterior margins. Primary claw number 1 
with cluster of long hairs near base; lateral surface of each lamella 
with numerous clusters of short hairs. The distribution of primary 
and secondary claws on several specimens is shown in table 1. 
Eyes: Lateral eyes large; about 17 ommatophores visible in side 
view, each weakly divided by a suture into two parts (fig. 3k). Medial 
eye pigmented (fig. 37). 
Frontal organ (fig. 37): Elongate, two jointed; short spines on sur- 
face of end joint and distal end of basal joint. 
