Trap; greenstone; hornblende; felspar; porphyry; and pyrites:--round Arklow. Copper, with some recent discoveries of gold; pyrites:--at Cronbane. Lead ore; large blocks of pure quartz; blocks of mica slate; foliated galena, and gneiss:--at Glenmolaur. Gneiss; granite:--on Lugneguilla Mountain. Lead ore; galena; carbonate of lead crystallized; sulphate of barytes:--at Shankhill. Hornstone, and quartz:--in the Sugar-loaf mountains. BOTANY. _Asplenium Trichomanes_, English black Maiden-hair:--on rocks. _Hieracium paludosum_, Succory-leaved Hawkweed:--on the Mountain of the Three Rocks. _Juniperus communis_, Juniper:--on mountains. _Pulmonaria maritima_, Sea Bugloss:--on the Meneagh of Wicklow. _Saxifraga umbrosa_, London Pride, or None-so-pretty:--on mountains. _Silene amœna_, Sea Campion:--among stones near the sea. _The following Iters from Dublin, extracted from_ CUMMING'S Traveller's Guide through Ireland, _may be found useful_. _miles._ From Dublin to Howth. To Marino 2 Clontarf 2-1/4 Raheney 4 Beldoyle 6 Howth 7-1/2 From Dublin to Malahide. To Coolock 3 St. Douloughs 4-1/2 Malahide 6-1/2 From Dublin to Balbriggan. To Drumcondra 2 Santry 3 Swords 7 Turvey 9 Man of War 12 Balruddery 14 Balbriggan 15-1/2 From Dublin to Naul. To Glassnevin 2 Forest 5-3/4 Brackenstown 6-1/4 Bally-boghill 10-1/2 Naul 14 From Dublin to Garrelstown. To Finglass 3 Pass if you Can 5-1/4 St. Margarets 5-3/4 Chapel Midway 7 Kilsaloghan 8-1/4 Clonmethan 10 Garrelstown 14 From Dublin to Cloonee. To Castleknock 3-1/2 Mullahedart 6-1/4 Cloonee 7 From Dublin to Lucan. To Chapelizod 2-3/4 Palmerstown 4 Lucan 6-1/2 From Dublin to Tallagh. To Crumlin 3 Tallagh 5 From Dublin to Waterford. To Rathcool 8 Johnstown 5-1/2 13-1/2 Naas 2-1/2 16 Kilcullen Bridge 5 21 Timolin 8 29 Castle Dermot 5 34 Carlow 5 39 Leighlin Bridge 6 45 Royal Oak 2 47 Gowran 5-1/2 52-1/2 Thomastown 7 59-1/4 Waterford 15 74-1/4 From Dublin to Limerick.