725 



has since been shown bj" ( ■. A>'. Stiles to be identical with Fasciola 

 (imericana, Hassall, which is probably the same as D. magmim, described 

 some years ago by Bassi (see Experiment Station Record, vol. iii, p. 

 580). The description of this parasite, given in the bnlletin, is as fol- 

 lows: 



Body flat, liver-colored, elliptical or oval, some wider behind tliau in front, adults 

 30 to 35'""' long and 20 to 30""" wide. Some very large ones 73""'i long; small- 

 est ones 8""" long and 4""" wide; the average specimens about 30'"™ loug. Skiu 

 of small aud mediiun-sized ones armed with numerous spines, or points, directed 

 backward. Mature specimens destitute of spines, except in patches or scattering 

 ones, especially on ventral surface of body, near the outer margin, and then gener- 

 ally large. Mouth terminal, sessile, not on a Avell-defined neck. Ventral sucker 

 large, muscular, 4 to 5""" from preceding. Genital i)ore midway between the pre- 

 ceding. Penis not always jirotruding, but when so, curved slightly. Excretory 

 l>ore small, at opposite extremity from mouth and slightly dorsal. The margin here 

 is sometimes curved from both sides, making it slightly obcordate. Eggs brown, 

 oval or a little larger at one end, on which there is the cap; length from 0.14 to 

 0.16"""; width 0.09 to O.l'""'. The digestive tract consists of the mouth, which 

 is made up of circular and radiating muscular fibers, in which are situated, in each 

 seotiou, four or five large uucleated cells. From the mouth proceeds a muscular 

 pharynx, which siiddenly divides, a little anterior to the genital pore, into two main 

 trunks, which extend the eutire length of the body. These give off from twelve to 

 sixteen branches, which give off secondary ones, which terminate in blind pouches 

 or ca-ca. The lining of the digestive tract is disposed in finger-like points or pro- 

 jections, somewhat similar to the villi of mammals. This parasite is found in the 

 liver tissue of cattle. I have found as many as twenty-seven in one liver. The 

 average number is from ten to fifteen. These parasites are found in channels which 

 they have produced. They seem to wander aimlessly about in any direction. I 

 think the majority are near the convex or outer surface of the liver. The channels 

 they produce admit the little finger, and these seem to heal or fill up soon after, 

 leaving a red scar. Sometimes they perforate the surface of the liver, then suddenly 

 turn back into the liver again. I think that they sometimes leave the liver and 

 bore into adjoining tissues or organs, but I have not found them in other places than 

 the liver. Having wandered about for some time they come to rest aud encyst them- 

 selves. Frequeutly two have encysted together. Those that are wandering have 

 their bodies covered with spines, while those at rest seem to have lost their si)ines — 

 organs of locomotion. "When encysted they are always sexually mature. The wall 

 of the cyst becomes dense and tough and is iisually coated with a gritlike sub- 

 stance. Butchers call such livers " shelly." I think they die in these cysts. These 

 cysts contain a very dark (almost black) muddy liquid, which contains myriads of 

 eggs. The gall and gall bladder of such livers are usually normal, and in several 

 instances in which I examined the entire quantity of bile a very few eggs were found. 

 I think the greatest number Avas five in the entire quantity of bile, aud I was not 

 liositive as to these being the eggs of this animal. 



Texas Station, Bulletin No. 19, December, 1891 (pp. 7). 



CoR'N FODDER, G. W. CuETis, M. S. A. (pp. 153-159). — To compare 

 the effect on the yield of shelled corn and of dry cured fodder of 

 topping, pulling, topping and ]»ulliug, and allowing the whole plant to 

 fieM-cure naturally, the corn on 4 different plats received the following 

 treatment : 



