[114] The little "Fucus," which he compares to the backbone of a fish, is probably _Halecium halecinum_, Lin., the "Herring-bone Coral" of Ellis, one of the most common Zoophytes on our coast. The "Abies," of which he suggests at p. 75 that this may be a "difference," is most likely _Sertularia abietina_, Lin., which this species resembles, but is less regularly pinnate; this may have led him to suppose that the "sprouts, wings, or leaves" may have fallen off. The _Fucus marinus_ is most likely _Fucus serratus_. And though perhaps it bee not worth the taking notice of formicæ arenariæ marinæ or at least muscus formicarius marinus[115] yet I obserue great numbers by the seashoare and at yarmouth an open sandy coast, in a sunny day many large and winged ones may bee obserued upon & rising out of the [shoare _crossed out_] wet sands when the tide falls away. [115] Swarms of Ants and Flies are no uncommon sight along the seashore at certain seasons of the year, and under the conditions which Browne describes. The Pagets ("Nat. Hist. of Great Yarmouth") mention that the fly, _Actora æstuum_, is common on the beach at high-water mark; but Mr. Verrall writes me that there are many others likely to be thus met with, such as _Orygma luctuosa_ and _Limosina zosteræ_, widely divergent species. In his "Journal of a Tour" into Derbyshire, Dr. Edward Browne, in crossing the sands of the Wash, mentions his satisfaction at the absence of the swarms of flies "with which all the fenne countrys are extremely pestered." _See also Note 110 supra._ Notonecton an insect that swimmeth on its back [_see Note 98_] & mentioned by Muffettus may be obserued with us. I send you a white Reed chock[116] by name some kind of Junco or litle sort thereof I haue had another very white when fresh.