Yol. XXviii.] PAL^ONTOLOGr OF LANCASHIRE COAL MEASUEES. 587 



Naiadites triangularis (Sow). 

 From the Middle Coal Measures of Burnley, horizon not 

 stated. A specimen in the Kay- Shuttle worth collection at 

 the Manchester Museum. 



Naiadites carinata (Sow). 

 From the Fairhottom Mine of Hill Pit (Bardsley) 

 (W. 615, e. coll. Wild, M.M.) 



Also from the Fairhottom Mine of Knott Lane, (W. 616, e. 

 coll. Wild, M.M.). 



Naiadites elongata (Hind). 

 From the ironstone hand in the Middle Coal Measures, 

 Prestolee. (Dr. Hind, Pal. Soc, Monog. Carhonicola, &c. 

 Explanation to pi. XVIIL, fig. 22.) 



Naiadites sp, 



A specimen from Alkrington Colliery, Middleton, is in 

 the Wild Collection (W. 622) of the Manchester Museum. 

 It is labelled, "Found in sinking tip." 



Two other specimens, the species of which I have not 

 been able to determine, are from the Five and a half- 

 inch coal of Bardsley (W. 596, e. coll. Wild, M.M.) and 

 from the Meld Mine of Bardsley (W. 617, e. coll. Wild, 

 M.M.). 



From the Yard Mine at Hulton Colliery, three miles S.W. 

 of Bolton. (Salter, Geol. Surv. Mem., Geology of Country 

 around Bolton-le-Moors, p. 41.) 



From 30 yards above the Arley Mine in railway section, 

 Chip Hill, half-a-mile S.E. of Bolton. Salter op. cit., p. 41. 

 '' Thin oblique species" from the Ten Feet Mine (White and 

 Black seams) at Lomax Fold, Little Lever, Bolton. (Salter, 

 Geol. Surv. Mem., Geology of Country around Bolton-le- 

 Moors, p. 41.) 



From the Cannel Mine at Moss House, 3J miles S.W. of 

 Bolton. (Salter, op. cit., p. 40.) 



