380 G. A. and W. G. MacCällum, 



2,8 cm. Tliey are as is sliown in the drawings, composed of extre- 

 mely short proglottides which measure not raore tlian 2 to 4 mm 

 in lengtli and in the smaller fragments are still shorter. In thickiiess 

 tliese proglottides vary from 4 to 6 or 7 mm. The worm is not 

 particularly well preserved and appears to be a good deal shrunken 

 so that nndonbtedly when it was fresh the proglottides were still 

 larger. The proglottides are so arranged that the lower free margin 

 of each hangs like the eaves of a cottage over the next one behind 

 it and partially Covers it, leaving exposed in reality practically only 

 its free margin which in a similar way Covers a large part of the 

 next one. At one lateral border these free margins come together 

 smoothly, but on the other they are spread apart like a gable and 

 there projects from between them a round prominent genital cloaca. 

 The free margins are thrown into slight folds as is shown in the 

 Sketch. The whole lias a yellowish brown color. 



The literature which can be thought to deal with this enormous 

 parasite is practically limited, as far as we can discover, to the 

 papers of Peteks and Mueie. Peters who described the form in : 

 Monatsber. Akad. Wiss. Berlin. 1856, p. 469 as Taenia gigantea wrote 

 as follows: 



Note on a New Taenia Remarkable for its Immense Size — 

 Taenia gigantea n. S]). Caput magnum latum, glohosum quadrilobum 

 rostello breve rotundato conico, hothridiis crassis, margine postico libero, 

 Collum subnullum; corpus crassum lanceolatmn ; articttU brevissimi et 

 latissimi, marginibus postice excisis, angulis obtusis; aperturae genitales 

 marginales seeundae ; penes filiformes limbo globoso cincti. Long, tota 

 0,120 m, artic. max. 0,003, latit. max. 0,027 — 0,020, lat. capit. 0,006, 

 colli. 0,005. Habitat: lihinoceros Africanus — Camper; in ' intestino 

 tenui (Mossambique). 



The next Observation was that of Murie (in : Proc. zool. Soc. 

 London, 1870, p. 608, who described the Segments, without having 

 seen the head, of an enormous worm from the Indian rhinoceros 

 which he received from the Zoological Gardens in London. He 

 gives suggestive pictures of fragments of the worm which show 

 particularly well the margin with the genital pores; but he appa- 

 rently mistakes these fragments which were one or two inches long 

 for the proglottides and describes them as such. He is conse- 

 quently very doubtful of the nature and position of the genital 

 pores. His description with which he terminates his brief note is 

 as follows: 



