XIV LIST OF ILLUSTRATIONS 



Tbbtiart insects fbom Kudia RivEB, Makitime Province, {Liberia 



By T. D. A. Cockerell 



Page 



1. Part of veuation of Phnjgaiiea lavnishini 2 



2. Discoidal and median cells of Amagupsyche perlafn 4 



3. End of discoidal cell of Lhnncphilus recultus 5 



4. Part of venation of P/(CJ«/ amagua 14 



5. Part of venation of Plecia kudieUa 14 



North American species of two-winged flies belonging to the tribe 



MiLTOGRAMMlNI 



I'.y Harry W. Allen 



1. Variation in the structure of the mediter^'ite <ir postscutellum. 



Lateral aspect. A. Tachinidae (Tachinmella Walker). B. Milto- 

 irramminae (Senotainia trilineaia Van der Wulpi. C. Sarcopliaipanae 

 (Sarcophaga communis Parker) ; nif, postscutellum, s/, ' scutellum, 

 ;?< first abdominal segment. A and C adapted from young 4 



2. Fig. 2. Ventral view of abdomen to show variation in the development 



and position of the second sternite. A, Tachinidae yFrontina 

 aletiae Ril«y), B, Mlltogramminae {Senotainia trUneata Van der 

 Wulp), C, Sarcophaginae (Sarcophaga. species), 2t. tergite of first 

 segment, Js, second sternite reduced and submerged beneath tergite 

 in Tachinidae, enlarged and overlapping tergite in Mlltogramminae 

 and Sarcophaginae 5 



A classification of the toothlike fossils, Conodonts. with descrip- 

 tions OF American Devonian and Mississippian species 



By E. O. Uirich and R. S. Bassler 



1. Apparatus for preparation of ammonium chloride sublimate 5 



2. Distacodidae, new family 7 



3. Prioniodidae, new family S 



4. Prioniodinidae. new family 16 



5. Polygnathidae, new family 44 



Parasitic nematodes from China 



By Benjamin Schwartz 



1-3. Suhulura chincu'ii^. 1, posterior end of male (lateral view) ; 2, ven- 

 tral view of posterior end of male ; 3, posterior end of female 

 (lateral view) . 3 



temmitbs collected on the mulfokti biological exploration to the 

 Amazon Basin, 1921-1022 



By Thomas E. Snyder 



1. Map showinir rouies of the Swedish (Nordenskioldi) Exi>editiou to 

 South America (Bolivia and Peru">. 1904-1905, and the Mulford 

 Biological Exploration of the Amazon Basin (Brazil and Bolivia), 

 1921-1922. Routes of these two expeditions transferred to map of 

 the Republic of Bolivia by E. Idiaquez (1901) 3 



