Dr. Isabella Ao Abbott aided in the collection and identification of 



Hawaiian species of various algaeo 

 Dr., Lo Ro Blinks provided algal species from the Hopkins Marine Stationo 

 Drso Jo Co Clausen, Do D, Keck, and TW, M„ Hiesey made numerous collections 

 in the Sierra Nevada MoxmtainSo They assisted in the identification 

 of various species and in the presentation of the observationso 

 Dr„ M„ So Doty collected Dichotomosiphon from Lake Michigan,, 

 Dro Fo Drouet identified certain blue-green algae, 



Dro Lois Eubank Egerod identified Hawaiian species of green algae and con- 

 tributed helpful advice in the classification of these organismso 

 Drs, So Ao Gordon, Jo Van Overbeek, and H, Eo Warmke collected algal 



species at Puerto RicOo 

 Dro Ho Wo Graham examined collections of dinoflagellateso 

 Dro Ro Wo Hiatt arranged for collections by dredging at Hawaii » 

 DrSo Wo Mo Manning and Go Hardin collaborated in the first pigment studies 

 with algae and provided much of the incentive for continuation of 

 the investigations o 

 Mro H=, Wo Milner cultured several green and blue-green algaeo 

 Dr„ Lo Jo Mullins arranged for the collection of algae at Naples, 

 Miss Marie Co Neal identified many of the plant species collected in the 



Hawaiian IslandSo 

 Dr„ Go Fo Papenfuss encouraged the correlation of pigment investigations 



with taxonomic studies » 

 Dro Ho Ko Phinney collected algae at Oregon, 



