452 INDEX 



PAGE 

 kjcrulfi, see Hohiiia. 



Knowlton, F. H., bibliographic reference 15 



Kocliibe, Doctor, specific name given in honor of 78 



kochibei, see Ptychoparia. 

 koerferi, see Agnostus. 



Koken, by error spelled " Coquin " 195 



Kootania dawsoni Walcott, listed in stratigraphic section 337 



krausci, see Liostraciiia. 



Kwagunt Valley, Grand Canyon, Northern Arizona 198 



kwaguntensis, see Tontoia. 



Labium, or metastoma 158 



Labrum, or hypostoma 158 



of Burgcssia bella 178 



" Lace crab," MarrcUa splcndens called 194 



Lcetmonice aphrodites, L. producia willcnia'sii and tvyvilli, compared with 



Wiwaxia corrugata 124 



Iceve, see Anomocare. 



Laggania Walcott, new genus described 52 



genotype, Laggania cambria 52 



geographic distribution 52 



stratigraphic range 52 



cambria Walcott, new species described 52 



figured, pi. 13, fig. 1 68 



representing Holothuriidse 45 



stratigraphic position and association 153 



La Grange Mountain (or Barn Bluiif), Minnesota, Upper Cambrian lo- 

 cality 113 360, 371 



Lake Agnes and Lake Louise, Alberta, Lower Cambrian locality 35e 242 



Lake Louise formation, comparative stratigraphic sections 343 



summary, stratigraphic section 342 



Lake Superior area, discussed 3 



Lancaster, Pennsylvania, Lower Cam.brian localities I2v and I2w..._'46, 314 

 lanccolafa, see ficldia. 



Lankester, E. Ray, cited on Echinodermata 43 



cited on Holothurioidea 45 



Synaptidae (footnote) 53 



Treatise on Zoology, classification outlined in 153 



referred to 148 



Lansing, Iowa, Upper Cambrian locality 86b 371 



Laotira cambria Walcott, compared with Pcytoia nathorsti 57 



Larsen, E. S., Jr. of U. S. Geological Survey 149 



lapworthi, see Olenellus. 

 latus, see Protichnites. 



Leadville region, locality of Saiikia coloradociisis 377 



Leanchoil, British Columbia 170 



Lower Ordovician locality southeast of 231-234 



Leanchoilia Walcott, new genus discussed 170 



classification of 154 



swimming exopodites of 160 



typical branchiopod 163 



