116 University of California Publications. [ ZooLocy 
It may be remarked that little defense is needed for translat- 
ing bodily from Giesbrecht, in view of the fact that whatever 
could be written concerning any form known to him has been 
so well stated that one could not improve upon it. 
Following is a list of the species treated in this paper: 
GYMNOPLEA. PAGE 
Ie Acantig tonsa MDaAm ae. a sis <ieun wuss ted te oles eter ratetevets cireeneaet fete ee 204 
Do VALI GCUST UN MUALIES A ESLAGLY, wears erate siete tone: Sete ttetanat tate aiciete tener nea 145 
8. Arietellus setosus Giesbrecht 2.2 = earn ces ces Ses male «ems = eye 189 
4. Augaptilus longicaudatus Giesbrecht .............---+--++:> 188 
5. Calanus finmarchicus Gunner ..... 20-0. cccee eee sree een eeece 125 
65 CALAIS OMGCTIS WANA ene ~io's et oeatel es ets ote ate take) eel acest ental) ciate 128 
= GOlANUS MNANOT. GICSDEGGING) .'- cia) c ioe etacieuete leis Gia veetaiweatale tee wi tlerorete cs 126 
8: OCalanus robustior Giesbrecht <<< <<... <t- sn sierwis eianle © ale wiv vies 129 
9: \Calanus: Genwicorms DADA Kiwin vc sieiw tes ola cle © oie ola nie nis see Sreioks 127 
10. Candacia bipinnata Giesbrecht ........2..c cece sree eee eeers 195 
PU CONALOU CUT UAB 5. o's ce isare ore mish s, cet Nel abel ae 6! oer etn scone ce al a ee 196 
Tos Candacia aetmopica Dama cscs < e cieve wie cin © y= mints witere) sata siehels 196 
13. Candacia pectimata Brady .......-cccceccecerr sees seeeeres 193 
14. Centropages bradyi Wheeler ..........ceec ee ce ce ercecreaces 172 
15. Clausocalanus arcuicornis Giesbrecht .............-.-see-0- 142 
16. Hucalanus attenitatius Dama sec secs wes el nysce ela o o'n mis eaten wieieie tare 135 
17. Eucdlanus crassus Giesbrecht:.... 6.6 ccc cee renee ween 134 
18. Bucatanus. elongatus Dama 5. a sscis soe sine Mis eels siecle 131 
19. Eucalanus subtenuis Giesbrecht ...........ce cere es eeceecces 135 
20: Buchaets acuta Gaesbrocht 5 oca0scscc.ocns us deu sates oo 157 
1. Puchacia media Gresbrecht cc ...e <cim vleim © ei ie ein erwin so sia) aniiaite 160 
22. Huchaeta spinosa Giesbrecht ....... 220s nee ne eee ces ee ee nee 159 
D3 UCU CLIC. GQINOCIIE | GIROSDIGCID i evere vious pore, #1 shia else ee wer el cael re 155 
24. Huchirella galeata Giesbrecht ..........-2- seer eeeeceneeenas 155 
95. Euchirella messinensis Giesbrecht ....'..........ceceeceteees 151 
26. Huchirella pulchra Lubbock ...... 2... ec ce cee ee ee wee eee 153 
OT; EUCRANELUL TOS ENOL CoLANIS cacti abe tates inlets te to role Serie olyalls slant ol cctiae eel 152 
28. Gaidius pungens Giesbrecht .........+-.2s2-ee esse ee eres eee 146 
99. Heterorhabdus clausi Giesbrecht .....- 2... cee e nce ence ean 185 
30. Heterorhabdus longicornis Giesbrecht .................+..--- 186 
31: Hererorhabdus. panilligen (Glaus) 2 2. <a correc oe ste eens 184 
32. Heterorhabdus spinifrons Claus) ~..- 2.2.02 as nee eg eee ere = 182 
33. Labidocera trispinosa, Wew species ...............-+-++----= 200 
34. Lucwoutia flawicormais Clans) vo) tec keke) ola nte sl cane alee) kel steels fo 180 
35. Mecynocera. claust Thompson ......-1--...-...+..-.----..-- 137 
36. Mietridia Uueens: BOCCK. cra aces ates icteric etcetera ae aii 
37. Metnidia Doecks Giesbrechit cso cic fet hereto ent tenis ts ry eee 178 
38. Paracalanus marvus Claus, S2/.teree = ete =e ete eee al 140 
39: Phyllopus bidentatus sb rade tere coca selene astern hn nes 191 
40. Pleuromamma abdominalis Lubbock 174 
