CONTENTS. 
Introduction. A General Statement of the Ideas and the present 
No. 1. 
No. 3. 
No. 4. 
Aims and Status of the Marine Biological Association 
of San Diego, by Wm. E. Ritter. With 2 maps ............ 
Mhe Jidex of a Marine Biological Survey -...---—---.._.._- 
iibhempAtreais TOM Wee SUTVC ye Cn = ee mee ee eae eee a we were store em 
SIM Tre) etdurarits\ eI MRSS G0 eee eee ene een me 
Order of Advance on the numerous Lines of Investigation 
Knowledge of the Physical Conditions of the Area —....... 
Instrumentalities for Prosecuting such a Survey -..............- z 
IMG CS SiiyarOls van ala TICs bath 25 cteeee cs acer ee 
Present Status, asi to Ways and Means —...______.--...---- 
ns GORI C ale NO GCS See ee ete ke eso, cee ee ee eee ee ee 
Remarks on the present Condition of marine Biology in 
(Ger eral) eee oe oat mee eee ec gee Ses eee ee ce 
The Hydroids of the San Diego Region, by Harry Beal 
BIRO TEE Yeats ofl PLL CS pee eee ee eee eee 
Hern O CUT CAO Ting see eee Sees eek Dee ee a ee Pees eat ee 
(Maal ke: Gre ADM perel ove eno al SU ace ene et soe 
Key to Families, Genera, and Species -............ eo eee tA 
IDESERIp LOM ot NSP CClCSm eee = aene eee ee een See 
Salty ey er eas nn rn se esa es ohn eS ee 
The Ctenophores of the San Diego Region, by Harry Beal 
TR rs Cy emi ea tl nent ese ne eee en cre ee 
A estereilOme Ol POCLOS eee aes Mee eee reat cee cece 
TEST GUI oeat 290) 0h 6 ce Ae ee ns ee oe Rae eee See RR eee ee 
The Pelagic Tunicata of the San Diego Region, excepting 
the Larvacea, by Wm. E. Ritter. With figures 9-31. 
DEAE iS SS ee ee Pee ee 
JUTGETROXO KUO TKO A eee io ee ec tn RRs See 
TOP Cab SS] OLSON OTS) «eas cea ese se ne mera eae 
IDWSOWISISMOT OIE (S]OC OME | aos acess occ Sra ace co eee SEE 
PAST riVa een NeON VBS OVINGyegt2 4 a) eh) A eee cee eee neec cee eae ne fee ee Hee Ree eer 
ID eXsrobiaty over a) ea Coes, 6 2b, 5C6 = Nee eee Pe eee nee ee PP Per 
The Pelagic Copepoda of the San Diego Region, by C. O. 
Bisbee eg Walhbl GOO UIE OS exes nes coe: oe tener enceat odes nace 
VETa HATED LU VOLET OI ee ees Soe oe oe ce sore ee Beebe eee Eee Ee 
erm Ol Giyg sees Ze et Dee Aas es See ae eee 
TICES HCC BOTS | 0270) <M eaee eee ereneae eee e 
Key, to Genera =... a gral ued Mees eee eS Seas eben at 118-121; 
Description of Species -..... 5 Pee se coe ee eens. 122-205 ; 
BACTATTO heatie climes OL Currey Nyse sass ee ce ne ee eee cece eee se 
PAGE 
XIV 
538-101 
102-107 
108-112 
113 
113-115 
116-117 
