TABLE OF CONTENTS. 



Alexander, Charles P. Undescribed species of Costa 

 Rican flies belonging to the family Tipulidae in the 

 United States National Museum. No. 2420. April 25, 

 1922 ' 1-7 



New species: Dicranomyia pampoecila, D. alfaroi, Rhipidia (Rhipi- 

 dia) subcostalis, R. (R.) longispina, Limnophila dictyoptera, Adel- 

 phomyia costaricensis, Microtipula { Microtipula) costaricensis. 



Chamberlin, Ralph V. The centipeds of Central America. 



No. 2402. January 7, 1922 1 1-17 



New genera: Sogodes, Tanophilus, Suturodes. 



New species: Cryptops micrus, C. pugnans, Newportia ynimetica, 

 N: divergens, N. sulana, Scutigera nubila, Labrobiiis cobulcanus, 

 Sogodes difficilis, Ityphilus ceibanus, Tanophilus hondurasaniis, 

 Suturodes tardus, S. guatemalae. 



. The millipeds of Central America. No. 2403. 



March 14, 1922 ^ : 1-75 



New genera: Desmelhus, Oxypygides, Oxobolus, Arolus, Atylophor, 

 Schistides, Tunodesmus, Synthodesmus, Curodesrnus, Glomeroides. 



New species: Platydesmus interruptus, Desmethus seti/er, Siphono- 

 phora barberi, S. telana, S. fallens, S. progressor, Prostemmiulus 

 relictus, P. lombardiae, P. cooki, Cleidogona ceibana, Gymnostreptus 

 laetus, G. vagans, G. pacificus, Orthoporus absconsus, 0. discrimi- 

 nans, 0. cobanus, Diaporus culebrae, Parajulus leucoclius, Rhino- 

 cricus nicaraguanus, R. ivheeleri, R. centralis, R. simulans, Oxy- 

 pygides mesites, 0. lapidicina, Oxypyge ferruginipes, 0. confusa, 

 0. socia, 0. equalis, Oxobolus virilis, 0. cinctus, 0. cratus, 0. pictus, 

 Arolus purulanus, Nyssodesmus nigricaudus, N. mimus, N. nica- 

 raguanus, Amplinus manni, A. orphnius, A. niteus, Chondrodes- 

 mus singularis, C. tuberculifer, C. alidens, C. panamenus, Aloco- 

 desmus dromeus, Atylophor rafaelanus, Schistides atopophallus, Tu- 

 nodesmus orthogonus, T. laminiger, Synthodesmus simulans, Curo- 

 desmus guatemalcnsis, Sphaeriodesmus hondurasanus , Glomeroides 

 centralis, Glomeridesmus centralis. 



New variety: Platydesmus interruptus simplex. 



Cochran, Doris M. Description of a new species of Agamid 

 lizard from the Malay Peninsula. No. 2421. March 13, 

 1922 1 1-3 



New species: Gonocephalus abbotti. 



» Date of publication. 



