Sex Determination in Phylloxerans and Aphids 
287 
It is not without interest to note the proportion of male and 
female eggs at this time, but it would be unsafe to make any 
deductions, since the numbers are as yet too small and the records 
confused owing to the presence of stem-mother eggs. 
nevertheless worth observing that even in the small and very 
small galls, where conditions have been extremely adverse, 
female eggs occur without any relative diminution in their 
Leyes 
number. 
TABLE II. 
LARGE 
cree SIZE TOTAL | WING- | wincED| pwarrs| ~~ | **MATE 
GALL ae EGGS EGGS 
LO Fied WaU Re ctavaeeropejatet ofa e alotcyayarsiewsiers, sess Suet 6 5 13 I 
MGS. | MEAT eye: hats) =) sores ce cues se <a 193 2 5 135 51 
WED MOEA geratess))s o1c'e-el vis) sis pis'ee sre aletore 112 5 5 67 35 
EF OO NINE CUO ey tye tshe2 ejects eiciereredviss nla eye 114 4 2 73 35 
Hfit> WIEN, Go beeen bic dae eran On 81 3 3 50 24 
ing 2|| Tact Me Rt IROCB ADS BaCmOle 52 4 5 38 5 
Me TASH AL a clare sets fe cislolatats!elavoresciaheieth es bare 14 3 
AeA SED ALIOEE isle tock choneycaze es sitatoriceee one ote 5 I 
TOT ( MG ETE Seas Ap eae bo Secale Seine ese Ae 20 4 I 2} 
OM msutallerenreietstee asteReteas ite levsie 6. 3 2 9 2 
DAT Pa SIRE sy. oartsha ests tnc%s, xe Sax cra ce omiae elate ts 20 2 2 15 2) 
Ho pelesinallesss carvan rapaette eres ocak 26 4 I 2 16 3 
179 | small..... Passe eiie Saale oh lade sa 17 3 2 II I 
BSOMIBSERALL tata tetsu she vata ueetl« sialet 9 2 I 6 
Moti lsat eratare stare cts ope ia) sh lei tree sie ake rd 25 2 I 16 5 
HOP BV CLY ISON Alli eciler fatcie ot aisles Bie eveuater 8 I zi 4 I 
ER OME ACL YESHUA cersccta hate cic aes sels ge te 4 I 
A SAva EVEL Salley yeieo ae see secre ead 16 2 I II I 
ESN VELY SIOAllleretas cletcaiiew aie scat cle «cers RA I 
MS Otn SLA Ler eee Psa ctl Nob oye stecpe ii ths aweha es 14 2 7 5 
HT N7iMligeny SUMAN Ter taters ciety trarcsus awk eset 5 ce 
Tete |] a0 Fl Vel en eee ch NSP Re wee 23 2 2 12 7 
iia) © || WeaTaNNLIN Ae hb Giclees Ube bd 6 Genes 59 5 3 39 12 
EGOMMESIH All sarovetpeiays ecctece escent Chas. «(6.8.0 cianaraks 4 
TROUPES 101 Es ROSE aco Cee cen tt 15 | 2 2 8 3 
RO Dwele Mallee Many. vavetovistasshs eis cu sarc etelte 15 3 4 8 
Mahia Slayers megs ete aie area eters 16 2 I 9 4 
Mi Ae PSEA Larvicccte cle iotnstetersehes setts aon 7 I I 4 I 
MOR Ma GSMA eiptcrataisioe he Sales! aersisie aes, soe: hack 12 I 3 6 2 
MG DEA AVCLYISI AL Sep ontcmrs “hari stats eats 3 
MO ipVety small tye secretes si Ae Neves arened 3 
Tig Oem SILA) eneneme oprah. Nerettatar. ay. See 14 I I 9 3 
LiGhsyt-i/ aC sien deen aoeeedeencotcone 2 2 32 "i 
ZOOMMNVETY SMa eco Miea ts es efayt ie ses chet aio StM 
