446 BULLETIN OF THE UNITED STATES FISH COMMISSION. 



2. ImiiKilure itfmalodes (Asrfiri)<). 



V. S. National Museum cnUection; U. .S. Fi.-h C'ouiiiiissioii, 1883. Tlu- lal«;l reads: "Side of 

 bonito, external." Length, 12iiim. ; diameter, 0.26 nun. Posterior end aeutp, but truncate at tip. 



■i. Jchlhtjonenid sp. July 25, l.S',19. .\n Irhthi/utifind. ])os.«il>|y more than one, in a tangled mase 

 beneath the skin in gill cavity; flat and ribbon-like, with eggs, Imt no young in uterus. 



CESTODES. 



4. Ijdrval rentode, on i)vloric cii-ca. 7. pi'. 278, 3tH), pi. .xi.ii, fig. 1IK1. .VIso .■;«' J, p. 789, jil. i.xi, 



figs. 2, 3. 



5. Larval ceiloda (Scolex polymorphusV)\X)a.T<\in) . Small. Free in intestine. .\ug. 10, 1899; few. For 



account of the.«e forms see 4, pp. 789-792. 



6. UhynrlwIiothriiDn. In cysts of stomach wall. 4, p. 79.i. July 31 and Aug. !), 1899. 



7. TehrirluiiirhiiK Intolor Bartels. 7, i>. 277. See 4, pp. 81.3-81.1. 



8. Tilrarlii/nrhun. Encysted in stomach wall. 7, p. 278. 



THE.M.\TODES. 



9. iJistomum riteUosiuiiiAninn. IiilcHliiie. Sec 7, p. 290, pi. .\,\.\vii, figs. 38, 39. Aug. 23, 1900. 



10. Gasternnlmiiniii iircuntum Linton. 7, pp. 277-278, 297-298, pj. xi.i, tigs. 8Ji-90. July 15, 1899; 



from four host.*, 18; from five hosts, 22. Aug. 10, 1899; from three host.-*, several. .\iig. 19, 

 1899; 5. July 30, 1900; .30 from tlirce ti.«li. 

 These occur most coimiionly in the ]iylnni.-i, but were founil in the .stomach, pylorii' c;eca, and 

 intestine. In one iiislunce both yoinig and adult were found together in the intestine. 



11. He.C(i<-i,Ujk Ihyiiiii J)e la lloche (?}. [Vh xwii. figs. 290-298.] Aug. 7, 1900; 1. from mouth. 



Coilectcl by :Mr. K. P. Cowles. 

 Dimensions in niiliimeteiv, specimen .somewhat flattened; I^-ngth, 7.5; breadth of body, middle 

 2, posterior 1.9, neck 0.55; length of neck, 0.94, the anterior tip tai>ering to 0.15 in a distance of 0.3; 

 each of the six sucking disks 0.40 and 0.30 in the two )irincipal diameters. 



Scomberomorus inaculatus, S/nmixh Miirkcnt. 



The stomachs of all the specimens which I have exandneil have been empty. The fooil haliits 

 are doubtless the same as thi>.se of the nearly relateil .V innilla. 



NK.M ATODES. 



1. Ascaris iiiciirm Rnilol|>lii (?). Fragment, from intestine. .Inly 30, 1900. 



A female with ova developing in uterus. Dimensions in niillimetei-s: Length. 2.1; diami-ter. 1.75; 

 diameter at anal aperture, 0. Ki; ilistame from anal ai)ertine to posterior tip, 0.05. 



2. .LfciinV c/rtt'WK Rudolph i. iuimalure. From stomach. ('ollecte<l by S. K. Meek. Fulton Market, 



New York, Aug. 30, l.s,si>. Length of longest specimen, 40 mm. 

 The bcxlies are rather thick, tapering somewhat (|uickly at anterior iiid. les.s so at jMisierior. 

 One ala terminates on upper lip, the other on the left lower lip. In the larger spciimen the vulva wa.s 

 situateil 14 mm. from the anti-rior end. 



3. Jrmnaliire uemalodt: Kncapsulc<l on vist^era. Aug. 13, 1889; fragment. Dimensions in millimeters: 



Length, 10; greatest diameter, 0.4; <liameter at anal aperture, 0.13; distance of anal aperture 

 from posterior tip, 0.45. Body cro.ssed by fine lines, making sharply serrate outline. [I'l. xiv, 

 tig. 172.] 



4. Jchlhiiimi'iiio i/lohircps Kmlolphi. From ovary. Collected liy S. IC. Meek. Oct., issti. Fish from 



New .leisey coast. 

 The specimens were first seen by me after tlu'V hail been preserved in alcohol. They are innna- 

 tnre. The aggregate length of the fragments in the vial is 120 nnn. These rei)n'sent two si)ecimens. 

 The diameter is uniform throughout and is about 0.18 mm. 



