AUTHOR’S ABSTRACT OF THIS PAPER ISSUED 
BY THE BIBLIOGRAPHIC SERVICE, JULY 21 
A COMPARATIVE STUDY OF THE CHROMOSOMES OF 
THE TIGER BEETLES (CICINDELIDAE) 
WILLIAM M. GOLDSMITH 
Colorado State Normal School 
From the Zoological Laboratory, Indiana University! 
ONE HUNDRED TWENTY-SEVEN FIGURES (TEN PLATES) 
CONTENTS 
MAI CTOAUC TION 2254.8 ela PR ROE POS BM A ES re be Senet 438 
2. Synopsis of previous papers on Coleopteran cytology................... 438 
“7 Oeil Per te Rene ae ME een BENS OEA PO ciG hed bine ati A Same Metin) yok Ihe 439 
SIESTA UN AP en a sca ka tos 2 cuss sik co chp Pe aan Sea geen heres! <i el RID OPAE Sai sieiloh bv 44) 
Pipe DINE ee SOREN oS Le I AS Le MEME Det cote aaa, Ses et hoenmepeer se 441 
Beat onidl aaclemethouser. Rell)... ENT Sole OTA ORE ND SE DREN ha 443 
AO) HSeLVicitlONs Oni the sperm ahO OTA) ses <9 eee ei ies Ces eiieices oeke ier 445 
PAP SV ARC Miu Teer aend Se akct © EN nak epee BEE «Tas nleod Bd ida, CASI oak aid ag hae ape he ae 445 
Bee arhyes permeate Onisestas «ace eo Scr taney monn eam any ceepeliey ere 447 
Cat be SPELMI UO ROTI sd late allies tee RD creck tse We ea ear aye cn goes aoe 449 
5. Growth period of the primary spermatocyte..................-0022 ee eee 450 
Gee Divistonrofnet Sperm atOCy te wissen cece ters oe er crepe cae ores ee eee ores 451 
rar AAI LOROMIEHM | ek) pe ee seo ay ath Dane re tare Ue and Ren ected eas eae ce ort E 451 
Byebhedonublerodd=chromosomeyyiccece ae ay) oe Beale sae le ke isee 452 
7, Division. of the secondary spermatocyte. ..\. o. 0.0.26 1d ko oid yee eet hee 3 ale os 454 
52 Lhe metamorpnosis Of the spermatids... § Slcsioa. «ce hon,- shee pace gee ote 455 
PMOUSerVALIONS Gn the OOZONIA 2/155 icv hawt seek fat csine + sce einem secede eee 457 
A. Oogoni4l growth period and prophase.....:..... 0.02 ...0052-e008- 457 
DPB COON Ale HT OMOSOINERE 504). So aang] lenge loens chains © Sartore end arta aa oe 457 
40. Growth period of the primary Oo0C¢yte!..30 25 2 ac. beats sa eee Seed eaaes 458 
Atetorma tion ol leptovene threads ernie sn tsin ee cls caer hike eset « 458 
BMC X-CNTOMORGINES Hr IN. bt Saat. cats ae Sede ee as eaeleu cee aw aa 5 459 
(CBouguet, synizesis, and, later stagesy iting nas sk ders. semen ciara. Oe! 460 
HeeOpservations on the somatie.cellsyi6 2. 5. Jina dees sieusseig side pct o ok afewine 460 
Mies a MEME PRI REN PARIERHG OSES 7 IE ee yay oo ca tegibe AG sue cae he Re cote eR EUS BUchele Bale Be sgese & 462 
UB is ist iiaaina nis) Sar peas gah a ee ae ee ely SERRE e ds Ui ae aie a aR eS 464 
[eh aa nisign oie nets Seng AeA | ta eet ee aaa 7 SR a 2 he ea 465 
1 Contribution No. 162. These investigations were carried on under the 
direction of Dr. Fernandus Payne to whom the writer is indebted for many 
valuable suggestions. 
437 
