374. ALFRED GIBBS BOURNE. 
Pigment: There is probably little pigment in the body- 
wall, or Horst would have mentioned the colour. 
Prostates long and tubular. 
Habitat.—Sumatra (Tapanoeli). 
M. beddardi, Rosa (12), 1890. 
Size, probably about 40 mm. long (Rosa says 30 mm., “ es. 
piuttosto contratto’’). 
Segments, about 115. 
Setz: Ventral gap equal in length to a lateral gap. 
Pigment present. 
Nephridiopores in the direction of the outer seta rows. 
Male pores between the outer and inner seta rows. 
Oviducal pores in the direction of Seta 2. 
Spermathecopores in the direction of Seta 3. 
Dorsal pores said to be present. 
Septa v-vi—vill-1x much thickened. a 
Gilzzard in three lobes, occupying Segments x1lI—xv. 
Prostates pyriform. 
Ovaries probably not enclosed. 
Habitat—Burmah (Chiala), at an elevation of about 
4500—5500 feet. 
M. japonicus, Michaelsen, 1892. 
I have not seen the account of this worm. 
M. bahamensis, Beddard (18), 1892. 
Size, 25 mm. long. 
Sete: Judging from the figure, the lateral gaps are larger 
than the ventral gap; the sete are absent from Segment 11. 
Male pores between the outer and inner seta rows. 
Spermathecopores between the outer and inner seta rows. 
Septa v-vi—vi11-1x thick. 
Gizzard in three lobes, occupying Segments x11I—xv. 
Prostates glandular in appearance. 
Spermathece pyriform. 
Copulatory pouches simple. 
Habitat.—Bahamas. 
