LINDSAY, ON THE PROTOPHYTA OY NEW ZEALAND. 101 
only an apiculate variety of C. Solea. Itis British. But if it be 
rightly referred to C. Solea, its distribution is world-wide.” 
Genus 12. Tryblionella. 
29. gracilis, Sm. 
30. debilis, Rylands. In MSS. inedit. [fide 
Greyille.*] 
Mr. Carrutherst+ informs me that T. dedilis ‘is only a MS. 
name for a European species, found as well in Britain. Gru- 
now has distributed it under the name of 7. Sauteriana, and 
this, I believe, is the name it is likely to retain. It is not yet 
published under any name, although it is well known through 
the distributed slides.” 
31. angustata, Sm. 
32. levidensis, Sm. 
Genus 13. Surirella. 
33. biseriata, Bréb. 
Both recent and fossil: throughout Europe, North and 
South America, and the Cape (Rabenhorst). 
34. linearis, Sm. 
85. splendida, Ehrb. 
36. tenera, Greg. 
3o7. ovata, Kiitz. 
38. minuta, Bréb. 
39. elegans, Ehrb. 
Genus 14. Campylodiscus. 
40. cribrosus, Sm. 
Recorded by Smith as a marine or brackish-water form. 
Occurs also in North America. 
Genus 15. Diatomella. 
41. Balfouriana, Grev. 
» 16. Cyclotella. 
42. operculata, Kitz. 
43. Kiitzingiana, Thw.? 
44. punctata, Sm. 
45. minutula, Kiitz. British (Rabenhorst). 
» 17. Hyalodiscus. 
46. subtilis, Bail. 
Occurs at Halifax, Nova Scotia. Neither genus nor species 
is British (Pritchard) or European (Rabenhorst). 
* Letter, March 5th, 1866. 
+ Letter, 14th December, 1866. 
