12 PROCEEDINGS OP THE NATIONAL MUSEUM vol. 72 



Porto Kico — Point Cangrejos, February 6, on the ground; Rio 

 Piedras, February 9, 11, 23, on Yautia; Bayamon, February 19, on 

 canna and water hyacinth; Guinica, March 18, on cane; Bayamon, 

 May 5; Isabella, August 1, on cotton leaves; Pefiuelas, August 16, 

 on corn. 



;Syntypes.— Cat No. 40389, U.S.N.M. 



Genus CYPHODERUS Nicolet 



CYPHODERUS INAEQUALIS, new species 



Plate 8, figs. 68, 69 



White. Eyes absent. Antennae two-fifths longer than the head; 

 segments variable in relative lengths, but about as 10 : 26 : 17 : 41 or 

 4 : 8 : 5 : 12. Hind claws slightly larger than the others. Unguis 

 (fig. 68) stout, curving, with a pair of lateral teeth near the base. 

 Antero-proximal lobe oblong-lanceolate, acute. Postero-proximal 

 lobe much larger, extending one-half as far as the unguis, lanceolate, 

 acuminate. A small but evident third tooth on the inner margin 

 occurs opposite the antero-proximal tooth. Unguiculus long and 

 broad, extending as far as the unguis, with a large acute inferior 

 wing with rounded margin. Tenent hair small, as long as the wing 

 of the unguiculus. Fourth abdominal segment slightly more than 

 four times as long as the third. Manubrium: dentes: mucrones as 

 3:2:1. Outer dorsal setae of dens T, the last 6 pinnate. Inner 

 dorsal setae 7, the last 4 or 5 pinnate. Inner distal pinna (fig. 69) 

 longy extending almost as far as the anteapical tooth of the mucro. 

 Outer distal pinna three-fifths as long as the inner. Mucro sub- 

 equally biclentate, the two teeth somewhat distant from each other. 

 A narrow lamella extends forward from the anteapical tooth. Length, 

 1 mm. 



Headwaters of Chilibrillo River, Canal Zone, September 29. 1923, 

 in limestone caves in bat dung, J. Zetek and I. Molino, collectors. 



Synfypes.— Cat. No. 40390, U.S.N.M. 



CYPHODERUS SIMILIS. new species 



Plate 8, figs. 70, 71 



White. Eyes absent. Antennae one-fifth to two-fifths longer than 

 head ; segments as 2:6:3:6. Abd. 1 and 2 subequal ; abd. 3 one-half 

 longer than abd. 2; abd. 4 two and one-half to three and one-half 

 times as long as abd 3. Unguis (fig. 70) stout, with a pair of lateral 

 teeth one-fourth from the base; antero-proximal lobe linear, ending 

 in a tooth; postero-proximal lobe large, lanceolate to ovate, extend- 

 ing two-thirds as far as the unguis; beyond the proximal lobes are 

 two distal teeth, the more distal of the two being sometimes absent. 

 Unguiculus extending two-thirds as far as unguis, with large acute 



