124 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 1 37 



with the orders from which they have been reported. Most of the sig- 

 nificant variations that have been noted are mentioned in the discus- 

 sions of muscle types that follow the table. Further details will have 

 to be sought in the original sources, which have been tabulated by 

 order in the list on pages 119-121. 



Table i. — List of thoracic spinasternal muscles and their distribution 



(Details will be found in the original references on pages 11 9- 121 and under 

 the discussion of muscle types in the text. In the table, / stands for larva, n 

 for nymph, and a for adult, in instances where both the mature and immature 

 forms have been found comparable yet different.) 



isps-iils Thysanura ; Blattariae ; Coleoptera, /; Dermaptera ; Isoptera ; Man- 

 todea; Megaloptera, I, a; Neuroptera, /, a; Odonata, n. a; Plecop- 

 tera, n, a; Psocoptera ; Trichoptera. 



isps-epst Thysanura ; Blattariae ; Grylloblattodea ; Homoptera ; Isoptera ; 

 Mantodea; Megaloptera, a; Orthoptera. 



isps-fui Thysanura; Blattariae; Coleoptera, /; Dermaptera; Embiodea; 



Grylloblattodea ; Hemiptera ; Homoptera ; Hymenoptera ; Isoptera ; 

 Lepidoptera ; Mallophaga ; Mecoptera ; Megaloptera, /; Odonata, 

 a; Orthoptera; Phasmatodea; Plecoptera, n, a; Psocoptera; Tri- 

 choptera. 



isps-fuz Thysanura; Blattariae; Coleoptera, /, a; Embiodea; Grylloblatto- 



dea ; Hemiptera ; Homoptera ; Isoptera ; Lepidoptera ; Mantodea ; 

 Mecoptera; Megaloptera, /, a; Neuroptera, a; Orthoptera; Plecop- 

 tera, n, a; Psocoptera; Thysanoptera ; Trichoptera. 



isps-sils Thysanura ; Coleoptera, /; Dermaptera ; Neuroptera, /. 



isps-cxt Thysanura ; Blattariae ; Coleoptera, /; Hymenoptera ; Isoptera ; 

 Lepidoptera; Megaloptera, /, a; Neuroptera, /, a; Orthoptera; Ple- 

 coptera, n, a; Psocoptera; Thysanoptera; Trichoptera. 



isps-cxi Thysanura ; Blattariae ; Coleoptera, /; Dermaptera ; Grylloblatto- 

 dea ; Isoptera ; Mallophaga ; Megaloptera, /; Orthoptera ; Plecop- 

 tera, n, a; Psocoptera. 



isps-2sps Thysanura ; Blattariae ; Mantodea ; Orthoptera ; Psocoptera. 



2sps-2ils Thysanura; Blattariae; Coleoptera, /; Dermaptera; Mecoptera; 

 Megaloptera, /, a; Neuroptera, a; Odonata, n, a; Orthoptera; Ple- 

 coptera, a. 



2sps-cpss Blattariae; Grylloblattodea; Isoptera; Mantodea; Neuroptera, a; 

 Psocoptera. 



2sps-jui Thysanura ; Dermaptera ; Ephemeroptera ; Hymenoptera ; Malloph- 



aga; Mecoptera; Neuroptera, a; Odonata, n; Orthoptera; Phas- 

 matodea; Psocoptera. 



2sps-jus Thysanura; Blattariae; Coleoptera, /, a; Dermaptera; Embiodea; 



Grylloblattodea ; Hymenoptera ; Isoptera ; Mantodea ; Megaloptera, 

 /, a; Neuroptera, /; Orthoptera; Plecoptera, n, a; Psocoptera. 



2sps-sils Thysanura; Coleoptera, /; Grylloblattodea ?; Megaloptera, l; 

 Odonata, n, a. 



2sps-Iils Blattariae; Grylloblattodea (prob.) ; Megaloptera, a. 



{Continued) 



