548 CALIFORNIA ACADEMY OF SCIENCES. 



maxillary palpus, m x lobe; through the rnenturn can be seen the lingual 

 glands, I g, with their duct, Id" (after Burgess). Fig. 11, (Esophageal 

 sclerite (" suboesophageal bone"), frontal aspect, of Psocus sp.; I d dnct 

 of the lingual gland (after Burgess). 



PLATE LXV. — Fig. 1, Docophorus taurocephalus Kellogg, S . Fig. 2, 

 D. alienus Kellogg, 6 . Fig. 3, D. incisus Kellogg, $ . Fig. 4, D. domes- 

 titus Kellogg, S . Fig. 5, D. distinctus Kellogg, 6 . Fig. 6, D. transpo- 

 situs Kellogg, § . 



PLATE LXVL— Fig. 1, Docophorus cursor N., $. Fig. 2, D. evagans 

 Kellogg, $. Fig. 3, D. ceblebrachysTX., 6 . Fig. 4, D. jungens Kellogg, 

 $. Fig. 5, D. rostratus N., ?. Fig. 6. D. calif or niensis Kellogg, 3. 

 Fig. 7, D. communis N., ? . 



PLATE LXVIL— Fig. 1, Nirmus longus Kellogg, ? . Fig. 2, N. simplex 

 Kellogg, 5 . Fig. 3, N. eusligmns Kellogg, $ . Fig. 4, JV. illustris Kellogg, 

 6 . Fig. 5, N. vulgatus Kellogg, $ . Fig. 6, N. discocephalus var. amblys 

 Kellogg, $. Fig. 7, N.fuscus N., $. 



PLATE LXVIIL— Fig. 1, Lipeurus introductus Kellogg, $ . Fig. 2, £. 

 snodgrassi Kellogg, $ . Fig. 3, L. macrocephalus Kellogg, $ . Fig. 4, L. 

 bacillus N., head of 3 . Fig. 5, L. introductus Kellogg, head of $ . Fig. 

 6, L. baculus N., $. Fig. 7, L. dissimilis P., head of $. Fig. 8, L. 

 docophoroides P., $ . 



PLATE LXIX. — Fig. 1, Goniodes cervinicomis G., $ . Fig. 2, Goniodes 

 mammillatus Kudow, $ . Fig. 3, Gonioc.otcs creber Kellogg, $ . Fig. 4, 

 Goniocoles compar N., <? . 



PLATE LXX. — Fig. 1, Physostomnm microcephalum Kellogg, $. Fig. 

 2, P. sucinaceum Kellogg, $ . Fig. 3, P. diffusum Kellogg, ? . Fig. 4, P. 

 australe Kellogg, $ . Fig. 5, P. angulatum Kellogg, ? . 



PLATE LXXI. — Fig. 1, Colpocephalum chrysophceum ~K.eW.ogg, $. Fig. 

 2, C. osborni Kellogg, 5 . Fig. 3, C.osbomi Kellogg, abdomen of $ . Fig. 

 4, C.flavescens~N., S. Fig. 5, C. fumidum Kellogg, $. 



PLATE LXXIL— Fig. 1, Colpocephalum subcequale N., 5- Fig. 2, 

 Menopon decoratum Kellogg, 6 . Fig. 3, M. robustum Kellogg, $ . Fig. 

 4, M. monosta'xhum Kellogg, S . 



PLATE LXXIIL— Fig. 1, Menopon melanorum Kellogg, $. Fig. 2, M. 

 incertum Kellogg, $. Fig. 3, M. mesoleucum N., S . Fig. 4, M. longice- 

 phalum Kellogg, $ . Fig. 5, M. dissimile Kellogg, ? . Fig. 6, Nitzschia 

 dubivs Kellogg, 6 or $ ? 



