IV CONTENTS 



Hyman, Libbie H. Some polyclad flatworms from Poly- 

 nesia and Micronesia. Four figm"es. No. 3552, pub- 

 lished September 2, 1955 65-82 



New species: Discocelis insiilaris, Ommatoplana oceanica, Pseudo- 

 ceros micronesianus. 



Kellogg, Remington. Three Miocene porpoises from the 

 Calvert Cliffs, Maryland. One figure and twenty-one 

 plates. No. 3354, published December 14, 1955 .... 101-154 



New genus: Pelodelphis. 



New species: Lophocetus pappus, Pelodelphis gracilis. 



Lachner, Ernest A. Populations of the berycoid fish fam- 

 ily Polymixiidae. One plate. No. 3356, pubHshed Oc- 

 tober 21, 1955 189-206 



Muesebeck, C. F. W., and Walkley, Luella M. Type 

 species of the genera and subgenera of parasitic wasps 

 comprising the superfamily Proctotrupoidea (order Hy- 

 menoptera).^ No. 3359, published February 16, 1956 . . 319-419 



Parfin, Sophy L, and Gurney, Ashley B. The spongilla- 

 flies, with special reference to those of the Western Hemi- 

 sphere (Sisyridae, Nem'optera). Twenty-four figures 

 and three plates. No. 3360, published May 16, 1956 . . . 421-529 



New species: Sisyra panama, Climacia chapini, C. striata, C. 

 tenebra, C. nota, C. townesi, C. carpenteri, C. chilena. 



Pettibone, Marian H. Marine polychaete worms from 



Labrador." No. 3361, published March 29, 1956 .... 531-584 



RoGiCK, Mary D. Bryozoa of the United States Navy's 

 1947-1948 Antarctic expeditions, I-IV. Thirty-five 

 plates. No. 3358, published March 13, 1956 221-317 



New genus: Cellariaeforma 



New species: Cellaria moniliorata, C. vitrimuralis, Cellariaeforma 

 coronata, C. extentamuralis, C. parvimuralis, Mawsonia ex- 

 tensalata, Melicerita latilaminata, Cellarinella niargueritae, C. 

 rossi, C. nutti, C. njegovanae, C. roydsi, C. laytoni, Parasmittina 

 hymanae, Rhamphostomella bassleri, Smittina ahditavicularis, S. 

 alticollarila, S. canui, S. excertaviculata, S. obicullata, S. ob- 

 longata, Smittinella rubrilingulata, Smittoidea ornatipectoralis, 



New subspecies: Smittoidea ornatipectoralis brevior. 



Ward, Ronald A. Biting lice of the genus Saemundssonia 

 (Mallophaga: Philopteridae) occurring on terns. One 

 figm-e. No. 3353, published September 8, 1955 83-100 



New species: Saemundssonia parvigenitalis, S. petersi. 



3 Erratum; On page 322, for "Prototrupoldea" read "Proctotrupoidea." 



* Erratum: On page 553, In crossheads for species, for "Phyllododce" read "Phyllodoce." 



