5X-"'^c 



CONTENTS 



Pages 



Crabill, Ralph E., Jr. A new American genus of Crypto- 

 pid centipedes, with an annotated key to the Scolopendro- 

 morph genera from America north of Mexico. Sixteen 

 figm-es. No. 3422, pubHshed January 27, 1960 .... 1-15 



New genus: Thalkethops. 

 New species: Thalkethops grallatrix. 

 Crabill, Ralph E., Jr. Centipedes of the Smithsonian- 

 Bredin expeditions to the West Indies. Twenty-four fig- 

 ures. No. 3427, pubHshed April 8, 1960 167-195 



New genus: Caritohallex. 



New species: Caritohallex minyrrhopus, Ityphilus idanus, Schen- 

 dylurus virgingordae, Lestophilus bredini. 

 Froeschner, Richard C. Cydnidae of the Western Hemi- 

 sphere. Thirteen plates (300 plate figures). No. 3430, 

 published October 25, 1960 . . (indexed separately) 337-680 

 New subfamilies : Garsauriinae, Scaptocorinae. 

 New subgenera: Psetidopangaeus, Ecarinoceps. 

 New species: Scaptocoris divergens, S. grossa, Rhytidoporus bar- 

 beri, R. obsoletus, Ectinopiis muticus, Onalips bisinuatus, O. com- 

 putus, Melanaethus aereus, M. externus, M. mixtus, M. plani- 

 frons, Pangaeus punctilinea, P. setosus, P. tuberculipes, P. pluri- 

 punctatus, P. bisetosvs, P. impressus, P. neogeus, P. punctinotum, 

 P. quinquespinosus, P. rvgonotum, P. semibrunnevs, Tominotus 

 albicostus, T. brevirostris, T. inconspicuus, T. unisetosus, Dallas- 

 iellus puncticoria, D. vanduzeei, D. laevis, D. longirostris, D. meg- 

 alocephahis, D. reflexus, D. alutaceus, D. bacchimis, D. dilatipes, D. 

 fusus, D. horvathi, D. interruptus, D. orchidiphilus, D. ovalis, D. 

 puncticeps, D. triangxdaris, Amnestus basidentatus, A. explanatus, 

 A. foveatus, A. radialis, A. sexdentatus, A. trimaculatus. 

 New subspecies: Sehirus cinctus texensis. 

 Hoffman, Richard L. A fourth contribution to the Imowl- 

 edge of neotropical Platyrhacid millipeds (Diplopoda : 

 Polydesmida). One figure. No. 3423, published Feb- 

 ruary 2, 1960 17-31 



New tribes: Platyrhacini, Psammodesmini. 

 New species: Platyrhacus acanthopleurus, Nyssodesmus attemsi. 

 Hoffman, Richard L. Millipeds from Dominica, British 

 West Indies. Two figures. No. 3424, published January 

 22, 1960 33-41 



