280 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 
. . 
Table of proportionate measurements. 
Species ..---- AUG Re sere stasis sie ca/aic Parophrys ischyrus. Hippoglossoides elassodon. 
f ! 
Mocaltbyate ster: fs cetecece ences ce - Seattle. Seattle. | Seattle. Tacoma. 
Inches ents Inches | 100ths | Inches} 100ths | Inches" es 
and and of and of and | 
100ths. | tenga 100ths. length. | 100ths. | length. | 100ths. ‘tength. 
e 
= as = om yas 
Sexi neme Len obs <2 <i pcqeice ke =e IW By |Becsace: 1A 20) ateeitcal- CPT lsececeon 125908 | Jaen m= 
Length to end of middle candalrays. JA 7307 emcees 11. 50 NSS TGt\i)\ |Gokageae UGE |-Soceeac 
Body: 
Greatest height. -..:--..--....- ASN caccea ie “Se Rogodnad 41S \soseeers | 46 
Least height of tail.........- YEN aera ae OF las etae EN USS | 11 
Length of caudal peduncle Ne leeandeee PS |loe5o0bhce IPP |socoesce 9 
Head: | 
Greatest:length.......-...-..-.- |sbescaee Oe al eetete's be BLA sae ee BU teeeaceso| 29 
Width of interorbital area. .... Sears TD ieee eee | 2 seman DEY |S SRE oS | 1 
sensthofloncestimill rakerees| seer eee eee soso |-------- \oeeso5as BH |< 05 coats | 3 
Length of maxillary (from tip | : 
ERO) See ee ee eee lsangsecd||aacadudd |oseSones lssaoeeds TBE sS0Sce 12 
Length of maxillary (from tip | Naa, 
Olssnout blind side) pee eeeeeee seer esas eemeceec | cm enenee |anoossoa|lbohévors|ssceases WReBeode 2 14 
Length of mandible ...-....-.- | eae: Wee ERD. : 32 les edete Jeeta ce ni) al eeeeee 15 
Distance from snout to orbit...|...----- De eeeiseinials Bailscesosee Bie || sararteeee 64 
Diameter of orbit..-........-..|-------- I losasacet Sey loopaooee Chi Weeade5o- 7 
Dorsal: | | 
Histancestromisnontissss-osse-| oes ees saeco |e -lee oe eaten e se lesocoRes BET saecncee 64 
Height at longest ray.--....---.- enanene IBN SeRooes ee ere Tay | cers to 14 
Anal: | | 
DMisthancertrom:snouwb on. c.ceee we lceneee oa enters eee setae elereel emai cialllaerteeeics 40 penwemece-oot 364 
Height at longest ray......-.--.- se Semesct | ASH. || be eco ce 14 ee re satel IG aeSapeas 133 
Caudal: } | | 
Length of middle rays......... lecerataerete 1D Ssteccee PPM Sooes- oma loser 22 
Le neth Gtrexternaletays) =. oem |esses > |acieeiciesell eee lnaeeeess | senses DBP) \asseu ses ak) 
Pectoral, LGPEdH Nes page ceeanaoooodeur [eee a ater 1 el enepoes I l\seesaded IW | eseons Si 14 
Ventral, ‘length BPE eee doce a) tees Uenllesaasoce 9 jreeeeee- [ilies 95222 628 11 
Dorsal rays” ats ca ociee micaeenine cece Gils cleerees MOnleaceoces eeerefeiete ie Tithe Geeasere 84 
AMIANET AY Si: 5-2 = ats cas cise Slecie Seiseieie <a GY ll ares eee 97H SB oseaa lasaccces BON sl sees 61 
Mentraleracean te seny sees Ciltease 1}! Gaeseee noacates 6. lcs aeceae 6 
Number of tubes in lateral line. - S8iiliteas sees toon) ee Se oe emacs O26 assteer 2 90 
Number of transverse rows. ---.--- A opeetic aie Wemnsie e sveislleweisjewis are Wasoeee aa lerbaceor IP No8 Eeeaeare 110 
Number of cecal appendages.-.-...-|.--...-- Jonceeeac| Ssceccce | wietiees|agaese ee BN Se ea ake! a netetetntate 
} 1 
ASTORIA, “OREG., vane 16, 1880. 
ON THE GENITALIA OF MALE EELS AND THEIR SEXUAL CHAR- 
ACTERS. 
By 8S. TH. CATTIE, Arnheim, Holland. Fi 
As is well known, Darwint has called attention to the experience of 
Giinther that the females of fishes are in almost all cases larger than 
the males. This was perhaps the reason that Syrski, in 1874,¢ in in- 
vestigating the reproductive organs of eels, directed his attention more 
especially to the smaller individuals, where he was fortunate in finding 
what is called by many the organs of Syrski, and also considered to be 
the male genital DUPE TS: Afterwards, in a variety which is known 
* Ueber die Genitalien Hos miinnlichen Aale und ihre Sexualunterschiede, von 8. Th. 
Cattie, Phil. nat. Cand., Docent an der Realschule zu Arnheim (Holland). Extracted, 
from the Zoologischer Anzeiger, 7th June, 1880, pp. 275-279. Translated by J. A. 
Ryder. 
tCh. Darwin, Descent of Man, translated into German by Carns, part ii, p. 5 et 
seq. 
$ Abhandl. d. kais. Akad. d. Wissensch., Wien, April Heft, 1874. 
