PALEONTOLOGY. 
Ins. 91 
fig. 9, firmata , p. 172, figs. 6, 7, 10, & 11, n. spp., Florissant ; Scudder, 
Tert. Ins. 
Osmylus requietus , Florissant, Scuddeli, Tert. Ins. p. 162, pi. xiv, 
figs. 3 & 8, n. sp. 
Psocidce. 
^ Paropsocus, n. g., p. 117, for P. disjunctus, n. sp., Florissant, p. 118, pi. v, 
fig. 51 ; Scudder, Tert. Ins. 
Ephemeridce. 
Ephemera tabifica , p. 120, immobilis, p. 121, pi. xii, fig. 5, macilenta, figs. 
4 & 10, pumicosa , figs. 7, 15, & 16, p. 122, interempta, p. 123 exsucca , p. 124, 
pi. xii, fig. 9, Florissant, Scudder, Tert. Ins. ; E. culleni, Tertiary forma- 
tions of Australia, Etheridge & Olliff, Mem. Geol. Surv. N. S. W., 
Pal. vii, p. 8, pi. i, figs. 3-9 : n. spp. 
Odonata. 
vLitliagrion, n. g., p. 134, for L. hyalinum , p. 135, pi. xiii, fig. 4, umbratnm , 
p. 136, figs. .12 & 14, n. spp., Florissant ; Scudder, Tert. Ins. 
Agrion maseescens, p. 138, pi. xiii, figs. 8 & 9, exsularis y p. 139, fig. 6, 
telluris , p. 140, fig. 10, Florissant, Scudder, Tert. Ins., n. spp. 
AEschna solida, p. 143, pi. xiii, fig. 1, AE. ( Basiceschna ) separata , 
p. 144, fig. 15, AE. larvata , p. 145, fig. 11, Florissant, Scudder, Tert. 
Ins., n. spp. 
Thysanura. 
Lepisma platymera , Florissant, Scudder, Tert. Ins. p. 102, pi. xii, 
fig. 18, n. sp. 
/ Ballostoma , new suborder for Planocephalus aselloides, Sc. ; Scudder, 
Tert. Ins. p. 94. 
Orthoptera. 
Forficulidce. 
\J Labiduromma, n. g., p. 203, for the following n. spp. from ^Floris- 
sant : avia, p. 205, pi. xvi, figs. 5, 22, 3, 11, & 23, bormansi, fig. 1, p. 206, 
mortale, figs. 2, 6, 20, p. 207, comnuxtum , p. 208, pi. xvi, figs. 10 & 17, 
gilberti, fig. 14, p. 211, exsulatum, fig. 12, p. 212, infernum , fig. 7, labeus , 
figs. 13, 16, & 9, p. 214 ; Scudder, Tert. Ins. 
Blattidcm. 
Etoblattina occidentalis, Carboniferous deposits in N. America, Scudder, 
Mem. Bost. Soc. iv, p. 410, pi. xxxii, fig. 4 ; E. persistens, Triassic beds in 
Colorado, Scudder, Mem. Bost. Soc. iv, p. 459, pi. xii, fig. 7, & pi. xiii, 
figs. 10 & 19 : n. spp. 
Anthracoblattina triassica, Triassic beds in Colorado, ScUDDERj Mem. 
Bost. Soc. iv, p. 464, pi. xii, fig. 9, n. sp. 
