VI TABLE OF CONTENTS. 



Pag«. 



cazador, Sphecosoma roseipuncta, Gymnelia frutera, Loxo- 

 phlehia omalesia, Cosmosonia neitia, C. nasca, C. purulha, C. 

 varica, Pseudomya melanthoides, Syntomeida venadia, Cer- 

 copimorpJia sylva, Napata chejelia, Amaxia carinosa, A. 

 tierna, Parevia gurma, Automolis abdalsan, A. goloma, A. 

 obscurata, A. gyrata, Melese sotrema, Bertholdia flavilucens, 

 Hyperthaema escuintla, H. sororita, Elysius gladysia, Tha- 

 lesa debilis, Halisidota democrata, H. mancina, H. perdita, 

 Agoroea rtilla, A. santaria, Neritos atta, Aemilia carmen, 

 paranerita irma, Alypia australis, Eloria velhoa, Trochuda 

 errans, T. votis, T. unicolor, Pernambis intervenata, Orgyia 

 guatemalteca, Rolepa castrona, R. nigrostriga, Coryphyala 

 Johanna, Staethorinia cayugana, Citlieronia mogya, Eacles 

 mayi, Adelocephala jacca, A. approximans, A. sinaloana, A. 

 roseilinea, Eucyane escuintla, Apatelodes sublunulata, A. 

 horina, Olceclostera brama, 0. quodrilineata, Carthara de- 

 merida, C. alutra, C. purulhana, C. tremulans, C. 

 granisca, C. lapana, TampJiina maoma, Epia picta, E. ma- 

 deira, E. lunUnea, Tagela cayuga, Anurocampa albifasciaia, 

 Proelymiotis serrata, P. manacoides, Lysana caudatula, Kal- 

 koma zapata, Crinodes crenuJata, Dasylophia eminens, D. 

 goraxa, Dicentria quirosia, D. marimba, D. lerma, Dis- 

 phragis cariba, Hemiceras coatina, Norape frontalis, Archy- 

 lus loanus, Trosia rosita, Vescoa glutina, Megalopyge 

 chacona, Parasa maysi, Metraga hoboa, Miresa doriens, 

 Euprosterna barranca, Natada cora, Narasopsis rynia, 

 Perola gaya, P. osseata, P. sinaloensis, Tanadema rufescens, 

 T. semivitrea, Lithacodes albipuncta, L. schevi, Agraga 

 maribunda, Paracreaga pulrerina, Acragopsis chirma, La- 

 cosoma perplexa, Cicinnus miilatro, C. motagus, C. sylvia. 



Shannon, Earl V, Diabantite, Stilpnomelane, and Chal- 



codite of the trap quarries of Westfield, Massachusetts. 



No. 2316. June 15, 1920 ^ 397-^03 



. Petrography of some lamprophyric dike rocks 



of the Coeur d'Alene mining district, Idaho. No. 2318. 



September 2, 1920 ^ 475^95 



. See under Merrill, George P 97-105 



Walker, Bryant. A new fresh-water m.ollusk from In- 

 diana. No. 2321. September 9, 1920 1 525 



New species : Ferrissia bartschi. 

 WoRTMAN, Jacob L. On some hitherto unrecognized rep- 

 tilian characters in the skull of the insectivora and other 

 mammals. No. 2304. April 5, 1920 ^ 1-52 



» Date of publication. 



